115157271 has 32 divisors (see below), whose sum is σ = 165876480. Its totient is φ = 70848000.

The previous prime is 115157267. The next prime is 115157279. The reversal of 115157271 is 172751511.

It is not a de Polignac number, because 115157271 - 2² = 115157267 is a prime.

It is a super-2 number, since 2×115157271² = 26522394128334882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115157279) 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, 477711 + ... + 477951.

It is an arithmetic number, because the mean of its divisors is an integer number (5183640).

Almost surely, 2^115157271 is an apocalyptic number.

115157271 is a deficient number, since it is larger than the sum of its proper divisors (50719209).

115157271 is a wasteful number, since it uses less digits than its factorization.

115157271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447.

The product of its digits is 2450, while the sum is 30.

The square root of 115157271 is about 10731.1355876254. The cubic root of 115157271 is about 486.5159933155.

The spelling of 115157271 in words is "one hundred fifteen million, one hundred fifty-seven thousand, two hundred seventy-one".