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Sexoctogintacentillion

A Sexoctogintacentillion (1 Sexoctogintacentillion) is 10 to the power of 561 (10^561). This is an excessively astronomical number!

How many zeros in a Sexoctogintacentillion?

There are 561 zeros in a Sexoctogintacentillion.

What's before Sexoctogintacentillion?

A Quinoctogintacentillion is smaller than a Sexoctogintacentillion.

What's after Sexoctogintacentillion?

A Septemoctogintacentillion is larger than a Sexoctogintacentillion.

Sexoctogintacentillionaire

A Sexoctogintacentillionaire is someone whos assets, net worth or wealth is 1 or more Sexoctogintacentillion. It is unlikely anyone will ever be a true Sexoctogintacentillionaire. If you want to be a Sexoctogintacentillionaire, play Tap Tales!

Is Sexoctogintacentillion the largest number?

Sexoctogintacentillion is not the largest number. Infinity best describes the largest possible number - if there even is one! We cannot comprehend what the largest number actually is.

Sexoctogintacentillion written out

Sexoctogintacentillion is written out as:

1,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000,000


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