115857371 has 16 divisors (see below), whose sum is σ = 139929600. Its totient is φ = 93775968.

The previous prime is 115857367. The next prime is 115857373. The reversal of 115857371 is 173758511.

It is not a de Polignac number, because 115857371 - 2² = 115857367 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115857373) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8165 + ... + 17273.

It is an arithmetic number, because the mean of its divisors is an integer number (8745600).

Almost surely, 2^115857371 is an apocalyptic number.

115857371 is a deficient number, since it is larger than the sum of its proper divisors (24072229).

115857371 is an equidigital number, since it uses as much as digits as its factorization.

115857371 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9218.

The product of its digits is 29400, while the sum is 38.

The square root of 115857371 is about 10763.7061925714. The cubic root of 115857371 is about 487.4999286434.

The spelling of 115857371 in words is "one hundred fifteen million, eight hundred fifty-seven thousand, three hundred seventy-one".