115517250 has 48 divisors (see below), whose sum is σ = 312364728. Its totient is φ = 30804000.

The previous prime is 115517249. The next prime is 115517251. The reversal of 115517250 is 52715511.

It is an interprime number because it is at equal distance from previous prime (115517249) and next prime (115517251).

It can be written as a sum of positive squares in 4 ways, for example, as 52838361 + 62678889 = 7269^2 + 7917^2 .

It is not an unprimeable number, because it can be changed into a prime (115517251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23421 + ... + 27920.

Almost surely, 2^115517250 is an apocalyptic number.

115517250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115517250 is an abundant number, since it is smaller than the sum of its proper divisors (196847478).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115517250 is a wasteful number, since it uses less digits than its factorization.

115517250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51364 (or 51351 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 27.

The square root of 115517250 is about 10747.8951427710. The cubic root of 115517250 is about 487.0224119596.

The spelling of 115517250 in words is "one hundred fifteen million, five hundred seventeen thousand, two hundred fifty".