115157085 has 16 divisors (see below), whose sum is σ = 187375680. Its totient is φ = 60375680.

The previous prime is 115157059. The next prime is 115157089. The reversal of 115157085 is 580751511.

115157085 = T₃₇₅ + T₃₇₆ + ... + T₉₀₅.

It is not a de Polignac number, because 115157085 - 2⁸ = 115156829 is a prime.

It is a super-2 number, since 2×115157085² = 26522308451394450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115157089) 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, 64176 + ... + 65945.

It is an arithmetic number, because the mean of its divisors is an integer number (11710980).

Almost surely, 2^115157085 is an apocalyptic number.

115157085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115157085 is a deficient number, since it is larger than the sum of its proper divisors (72218595).

115157085 is a wasteful number, since it uses less digits than its factorization.

115157085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130188.

The product of its (nonzero) digits is 7000, while the sum is 33.

The square root of 115157085 is about 10731.1269212511. The cubic root of 115157085 is about 486.5157313780.

The spelling of 115157085 in words is "one hundred fifteen million, one hundred fifty-seven thousand, eighty-five".