115097215 has 4 divisors (see below), whose sum is σ = 138116664. Its totient is φ = 92077768.

The previous prime is 115097207. The next prime is 115097237. The reversal of 115097215 is 512790511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 115097215 - 2³ = 115097207 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11509717 + ... + 11509726.

It is an arithmetic number, because the mean of its divisors is an integer number (34529166).

Almost surely, 2^115097215 is an apocalyptic number.

115097215 is a deficient number, since it is larger than the sum of its proper divisors (23019449).

115097215 is an equidigital number, since it uses as much as digits as its factorization.

115097215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23019448.

The product of its (nonzero) digits is 3150, while the sum is 31.

The square root of 115097215 is about 10728.3370099937. The cubic root of 115097215 is about 486.4314038234.

The spelling of 115097215 in words is "one hundred fifteen million, ninety-seven thousand, two hundred fifteen".