115259515 has 12 divisors (see below), whose sum is σ = 160893216. Its totient is φ = 79034928.

The previous prime is 115259489. The next prime is 115259537. The reversal of 115259515 is 515952511.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-115259515 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234979 + ... + 235468.

It is an arithmetic number, because the mean of its divisors is an integer number (13407768).

Almost surely, 2^115259515 is an apocalyptic number.

115259515 is a deficient number, since it is larger than the sum of its proper divisors (45633701).

115259515 is an equidigital number, since it uses as much as digits as its factorization.

115259515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470466 (or 470459 counting only the distinct ones).

The product of its digits is 11250, while the sum is 34.

The square root of 115259515 is about 10735.8984253764. The cubic root of 115259515 is about 486.6599374083.

The spelling of 115259515 in words is "one hundred fifteen million, two hundred fifty-nine thousand, five hundred fifteen".