115577715 has 16 divisors (see below), whose sum is σ = 201735936. Its totient is φ = 56037600.

The previous prime is 115577701. The next prime is 115577743. The reversal of 115577715 is 517775511.

It is not a de Polignac number, because 115577715 - 2⁴ = 115577699 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350071 + ... + 350400.

It is an arithmetic number, because the mean of its divisors is an integer number (12608496).

Almost surely, 2^115577715 is an apocalyptic number.

115577715 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

115577715 is a deficient number, since it is larger than the sum of its proper divisors (86158221).

115577715 is a wasteful number, since it uses less digits than its factorization.

115577715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700490.

The product of its digits is 42875, while the sum is 39.

The square root of 115577715 is about 10750.7076511270. The cubic root of 115577715 is about 487.1073709122.

The spelling of 115577715 in words is "one hundred fifteen million, five hundred seventy-seven thousand, seven hundred fifteen".