115104215 has 4 divisors (see below), whose sum is σ = 138125064. Its totient is φ = 92083368.

The previous prime is 115104211. The next prime is 115104239. The reversal of 115104215 is 512401511.

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 115104215 - 2² = 115104211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115104211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11510417 + ... + 11510426.

It is an arithmetic number, because the mean of its divisors is an integer number (34531266).

Almost surely, 2^115104215 is an apocalyptic number.

115104215 is a deficient number, since it is larger than the sum of its proper divisors (23020849).

115104215 is an equidigital number, since it uses as much as digits as its factorization.

115104215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23020848.

The product of its (nonzero) digits is 200, while the sum is 20.

The square root of 115104215 is about 10728.6632438529. The cubic root of 115104215 is about 486.4412649100.

Adding to 115104215 its reverse (512401511), we get a palindrome (627505726).

The spelling of 115104215 in words is "one hundred fifteen million, one hundred four thousand, two hundred fifteen".