115506172 has 6 divisors (see below), whose sum is σ = 202135808. Its totient is φ = 57753084.

The previous prime is 115506169. The next prime is 115506199. The reversal of 115506172 is 271605511.

It is a self number, because there is not a number n which added to its sum of digits gives 115506172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14438268 + ... + 14438275.

Almost surely, 2^115506172 is an apocalyptic number.

It is an amenable number.

115506172 is a deficient number, since it is larger than the sum of its proper divisors (86629636).

115506172 is a wasteful number, since it uses less digits than its factorization.

115506172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28876547 (or 28876545 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 28.

The square root of 115506172 is about 10747.3797736937. The cubic root of 115506172 is about 487.0068431253.

The spelling of 115506172 in words is "one hundred fifteen million, five hundred six thousand, one hundred seventy-two".