115611872 has 24 divisors (see below), whose sum is σ = 229870872. Its totient is φ = 57232000.

The previous prime is 115611851. The next prime is 115611877. The reversal of 115611872 is 278116511.

It is a super-2 number, since 2×115611872² = 26732209894688768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115611877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14654 + ... + 21117.

It is an arithmetic number, because the mean of its divisors is an integer number (9577953).

Almost surely, 2^115611872 is an apocalyptic number.

It is an amenable number.

115611872 is a deficient number, since it is larger than the sum of its proper divisors (114259000).

115611872 is a wasteful number, since it uses less digits than its factorization.

115611872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35882 (or 35874 counting only the distinct ones).

The product of its digits is 3360, while the sum is 32.

The square root of 115611872 is about 10752.2961268745. The cubic root of 115611872 is about 487.1553515796.

The spelling of 115611872 in words is "one hundred fifteen million, six hundred eleven thousand, eight hundred seventy-two".