115812415 has 12 divisors (see below), whose sum is σ = 147632616. Its totient is φ = 87198848.

The previous prime is 115812401. The next prime is 115812439. The reversal of 115812415 is 514218511.

It is not a de Polignac number, because 115812415 - 2⁹ = 115811903 is a prime.

It is a Duffinian number.

It is a congruent 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, 38629 + ... + 41518.

It is an arithmetic number, because the mean of its divisors is an integer number (12302718).

Almost surely, 2^115812415 is an apocalyptic number.

115812415 is a deficient number, since it is larger than the sum of its proper divisors (31820201).

115812415 is an equidigital number, since it uses as much as digits as its factorization.

115812415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80186 (or 80169 counting only the distinct ones).

The product of its digits is 1600, while the sum is 28.

The square root of 115812415 is about 10761.6176757958. The cubic root of 115812415 is about 487.4368658105.

The spelling of 115812415 in words is "one hundred fifteen million, eight hundred twelve thousand, four hundred fifteen".