115967815 has 8 divisors (see below), whose sum is σ = 139220640. Its totient is φ = 92734752.

The previous prime is 115967809. The next prime is 115967843. The reversal of 115967815 is 518769511.

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 115967815 - 2¹⁵ = 115935047 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, 16221 + ... + 22249.

It is an arithmetic number, because the mean of its divisors is an integer number (17402580).

Almost surely, 2^115967815 is an apocalyptic number.

115967815 is a deficient number, since it is larger than the sum of its proper divisors (23252825).

115967815 is an equidigital number, since it uses as much as digits as its factorization.

115967815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9881.

The product of its digits is 75600, while the sum is 43.

The square root of 115967815 is about 10768.8353594992. The cubic root of 115967815 is about 487.6547867019.

The spelling of 115967815 in words is "one hundred fifteen million, nine hundred sixty-seven thousand, eight hundred fifteen".