115327815 has 32 divisors (see below), whose sum is σ = 195782400. Its totient is φ = 57807360.

The previous prime is 115327799. The next prime is 115327897. The reversal of 115327815 is 518723511.

It is not a de Polignac number, because 115327815 - 2⁴ = 115327799 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 35791 + ... + 38879.

It is an arithmetic number, because the mean of its divisors is an integer number (6118200).

Almost surely, 2^115327815 is an apocalyptic number.

115327815 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115327815 is a deficient number, since it is larger than the sum of its proper divisors (80454585).

115327815 is a wasteful number, since it uses less digits than its factorization.

115327815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3247.

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

The square root of 115327815 is about 10739.0788711137. The cubic root of 115327815 is about 486.7560460618.

The spelling of 115327815 in words is "one hundred fifteen million, three hundred twenty-seven thousand, eight hundred fifteen".