80136532372 has 48 divisors (see below), whose sum is σ = 151726240512. Its totient is φ = 36814982400.

The previous prime is 80136532291. The next prime is 80136532381. The reversal of 80136532372 is 27323563108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31412497 + ... + 31415047.

It is an arithmetic number, because the mean of its divisors is an integer number (3160963344).

Almost surely, 2^80136532372 is an apocalyptic number.

It is an amenable number.

80136532372 is a deficient number, since it is larger than the sum of its proper divisors (71589708140).

80136532372 is a wasteful number, since it uses less digits than its factorization.

80136532372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5128 (or 5126 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 80136532372 in words is "eighty billion, one hundred thirty-six million, five hundred thirty-two thousand, three hundred seventy-two".