115872538 has 8 divisors (see below), whose sum is σ = 173855520. Its totient is φ = 57920700.

The previous prime is 115872529. The next prime is 115872569. The reversal of 115872538 is 835278511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×115872538² = 26852890125122888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115872538.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7593 + ... + 17011.

It is an arithmetic number, because the mean of its divisors is an integer number (21731940).

Almost surely, 2^115872538 is an apocalyptic number.

115872538 is a deficient number, since it is larger than the sum of its proper divisors (57982982).

115872538 is an equidigital number, since it uses as much as digits as its factorization.

115872538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15572.

The product of its digits is 67200, while the sum is 40.

The square root of 115872538 is about 10764.4107130860. The cubic root of 115872538 is about 487.5212007436.

The spelling of 115872538 in words is "one hundred fifteen million, eight hundred seventy-two thousand, five hundred thirty-eight".