115585872 has 20 divisors (see below), whose sum is σ = 298596960. Its totient is φ = 38528608.

The previous prime is 115585871. The next prime is 115585913. The reversal of 115585872 is 278585511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115585871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1203972 + ... + 1204067.

It is an arithmetic number, because the mean of its divisors is an integer number (14929848).

Almost surely, 2^115585872 is an apocalyptic number.

115585872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115585872 is an abundant number, since it is smaller than the sum of its proper divisors (183011088).

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

115585872 is a wasteful number, since it uses less digits than its factorization.

115585872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2408050 (or 2408044 counting only the distinct ones).

The product of its digits is 112000, while the sum is 42.

The square root of 115585872 is about 10751.0870148092. The cubic root of 115585872 is about 487.1188299879.

The spelling of 115585872 in words is "one hundred fifteen million, five hundred eighty-five thousand, eight hundred seventy-two".