Carl Sagan is attributed to the following quote.

A googolplex is precisely as far from infinity as is the number 1.

A googolplex is the number 10^{googol} . A googol is 10^{100} .

Think about writing this number out in one-point font, about a third of a mm per digit. It would take something like 3.5x10^{96} meters.

The universe is estimated to be 8.8x10^{26} meters in diameter, or around 93 billion light-years.

This means that, if you wanted to write out the value of a googolplex, you’d have to live in a universe that is 4x10^{69} times further across than the one we live in.

All this and yet, compared to infinity, it might as well be 1.