115531152 has 40 divisors (see below), whose sum is σ = 325589280. Its totient is φ = 35009280.

The previous prime is 115531147. The next prime is 115531177. The reversal of 115531152 is 251135511.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108877 + ... + 109932.

It is an arithmetic number, because the mean of its divisors is an integer number (8139732).

Almost surely, 2^115531152 is an apocalyptic number.

115531152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115531152 is an abundant number, since it is smaller than the sum of its proper divisors (210058128).

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

115531152 is a wasteful number, since it uses less digits than its factorization.

115531152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218831 (or 218825 counting only the distinct ones).

The product of its digits is 750, while the sum is 24.

The square root of 115531152 is about 10748.5418545959. The cubic root of 115531152 is about 487.0419481875.

Adding to 115531152 its reverse (251135511), we get a palindrome (366666663).

The spelling of 115531152 in words is "one hundred fifteen million, five hundred thirty-one thousand, one hundred fifty-two".