80056136180 has 24 divisors (see below), whose sum is σ = 173915055720. Its totient is φ = 30918231680.

The previous prime is 80056136159. The next prime is 80056136197. The reversal of 80056136180 is 8163165008.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 109704676 + 79946431504 = 10474^2 + 282748^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69013331 + ... + 69014490.

It is an arithmetic number, because the mean of its divisors is an integer number (7246460655).

Almost surely, 2^80056136180 is an apocalyptic number.

It is an amenable number.

80056136180 is an abundant number, since it is smaller than the sum of its proper divisors (93858919540).

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

80056136180 is a wasteful number, since it uses less digits than its factorization.

80056136180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138027859 (or 138027857 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The spelling of 80056136180 in words is "eighty billion, fifty-six million, one hundred thirty-six thousand, one hundred eighty".