80136569100 has 72 divisors (see below), whose sum is σ = 264984928768. Its totient is φ = 18316929600.

The previous prime is 80136569069. The next prime is 80136569143. The reversal of 80136569100 is 196563108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19078036 + ... + 19082235.

Almost surely, 2^80136569100 is an apocalyptic number.

It is an amenable number.

80136569100 is an abundant number, since it is smaller than the sum of its proper divisors (184848359668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80136569100 is a wasteful number, since it uses less digits than its factorization.

80136569100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38160295 (or 38160288 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 80136569100 in words is "eighty billion, one hundred thirty-six million, five hundred sixty-nine thousand, one hundred".