115158171 has 32 divisors (see below), whose sum is σ = 168537600. Its totient is φ = 69721344.

The previous prime is 115158167. The next prime is 115158191. The reversal of 115158171 is 171851511.

It is not a de Polignac number, because 115158171 - 2² = 115158167 is a prime.

It is a super-2 number, since 2×115158171² = 26522808696130482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (115158161) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 109255 + ... + 110303.

It is an arithmetic number, because the mean of its divisors is an integer number (5266800).

Almost surely, 2^115158171 is an apocalyptic number.

115158171 is a deficient number, since it is larger than the sum of its proper divisors (53379429).

115158171 is a wasteful number, since it uses less digits than its factorization.

115158171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155.

The product of its digits is 1400, while the sum is 30.

The square root of 115158171 is about 10731.1775215957. The cubic root of 115158171 is about 486.5172607510.

The spelling of 115158171 in words is "one hundred fifteen million, one hundred fifty-eight thousand, one hundred seventy-one".