115992331 has 12 divisors (see below), whose sum is σ = 142886352. Its totient is φ = 91692864.

The previous prime is 115992319. The next prime is 115992337. The reversal of 115992331 is 133299511.

It is not a de Polignac number, because 115992331 - 2⁹ = 115991819 is a prime.

It is a super-2 number, since 2×115992331² = 26908441701627122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115992337) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102175 + ... + 103303.

It is an arithmetic number, because the mean of its divisors is an integer number (11907196).

Almost surely, 2^115992331 is an apocalyptic number.

115992331 is a deficient number, since it is larger than the sum of its proper divisors (26894021).

115992331 is an frugal number, since it uses more digits than its factorization.

115992331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278 (or 1149 counting only the distinct ones).

The product of its digits is 7290, while the sum is 34.

The square root of 115992331 is about 10769.9735839973. The cubic root of 115992331 is about 487.6891482541.

The spelling of 115992331 in words is "one hundred fifteen million, nine hundred ninety-two thousand, three hundred thirty-one".