115812036 has 18 divisors (see below), whose sum is σ = 292747182. Its totient is φ = 38604000.

The previous prime is 115812013. The next prime is 115812043. The reversal of 115812036 is 630218511.

It can be written as a sum of positive squares in only one way, i.e., 74132100 + 41679936 = 8610^2 + 6456^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1608465 + ... + 1608536.

Almost surely, 2^115812036 is an apocalyptic number.

It is an amenable number.

115812036 is an abundant number, since it is smaller than the sum of its proper divisors (176935146).

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

115812036 is a wasteful number, since it uses less digits than its factorization.

115812036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217011 (or 3217006 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 115812036 is about 10761.6000669045. The cubic root of 115812036 is about 487.4363340921.

The spelling of 115812036 in words is "one hundred fifteen million, eight hundred twelve thousand, thirty-six".