115117615 has 8 divisors (see below), whose sum is σ = 139890240. Its totient is φ = 90928032.

The previous prime is 115117603. The next prime is 115117631. The reversal of 115117615 is 516711511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 115117615 - 2¹⁹ = 114593327 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145324 + ... + 146113.

It is an arithmetic number, because the mean of its divisors is an integer number (17486280).

Almost surely, 2^115117615 is an apocalyptic number.

115117615 is a deficient number, since it is larger than the sum of its proper divisors (24772625).

115117615 is an equidigital number, since it uses as much as digits as its factorization.

115117615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291521.

The product of its digits is 1050, while the sum is 28.

The square root of 115117615 is about 10729.2877209999. The cubic root of 115117615 is about 486.4601407320.

The spelling of 115117615 in words is "one hundred fifteen million, one hundred seventeen thousand, six hundred fifteen".