Eli5 The scale of 18 quintillion

Question

I recently got into no man’s sky and heard the estimated number of planets (as above) I was floored but felt it’s larger than I’m grasping it and even larger than the way I explain it to others.

I recall from a tiktok or something that if everyone in the world played the game and found a planet 24/7, 365.2425 days, it would take approx 15000 years to find every single planet

Edit: these analogies are super helpful, thank you so much!

Is my time scale accurate also?

In: 25

Answer 1

Lets put it this way:

If you started counting seconds from the big bang and continued counting all though the present day and then continue until the sun swallowed the earth, you would only be two third into your first Quintillion of seconds.