115237815 has 64 divisors (see below), whose sum is σ = 243440640. Its totient is φ = 45066240.

The previous prime is 115237799. The next prime is 115237891. The reversal of 115237815 is 518732511.

It is not a de Polignac number, because 115237815 - 2⁴ = 115237799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 16701 + ... + 22569.

It is an arithmetic number, because the mean of its divisors is an integer number (3803760).

Almost surely, 2^115237815 is an apocalyptic number.

115237815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115237815 is an abundant number, since it is smaller than the sum of its proper divisors (128202825).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115237815 is a wasteful number, since it uses less digits than its factorization.

115237815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5912.

The product of its digits is 8400, while the sum is 33.

The square root of 115237815 is about 10734.8877497625. The cubic root of 115237815 is about 486.6293942077.

The spelling of 115237815 in words is "one hundred fifteen million, two hundred thirty-seven thousand, eight hundred fifteen".