115111975 has 24 divisors (see below), whose sum is σ = 163918080. Its totient is φ = 79308000.

The previous prime is 115111967. The next prime is 115111993. The reversal of 115111975 is 579111511.

It is not a de Polignac number, because 115111975 - 2³ = 115111967 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5791 + ... + 16240.

It is an arithmetic number, because the mean of its divisors is an integer number (6829920).

Almost surely, 2^115111975 is an apocalyptic number.

115111975 is a deficient number, since it is larger than the sum of its proper divisors (48806105).

115111975 is a wasteful number, since it uses less digits than its factorization.

115111975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22071 (or 22066 counting only the distinct ones).

The product of its digits is 1575, while the sum is 31.

The square root of 115111975 is about 10729.0248857946. The cubic root of 115111975 is about 486.4521961615.

The spelling of 115111975 in words is "one hundred fifteen million, one hundred eleven thousand, nine hundred seventy-five".