115172079 has 32 divisors (see below), whose sum is σ = 174666240. Its totient is φ = 66864000.

The previous prime is 115172041. The next prime is 115172107. The reversal of 115172079 is 970271511.

It is not a de Polignac number, because 115172079 - 2¹⁶ = 115106543 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 not an unprimeable number, because it can be changed into a prime (115172179) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144109 + ... + 144905.

It is an arithmetic number, because the mean of its divisors is an integer number (5458320).

Almost surely, 2^115172079 is an apocalyptic number.

115172079 is a deficient number, since it is larger than the sum of its proper divisors (59494161).

115172079 is a wasteful number, since it uses less digits than its factorization.

115172079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 991.

The product of its (nonzero) digits is 4410, while the sum is 33.

The square root of 115172079 is about 10731.8255203856. The cubic root of 115172079 is about 486.5368460154.

The spelling of 115172079 in words is "one hundred fifteen million, one hundred seventy-two thousand, seventy-nine".