115591079 has 8 divisors (see below), whose sum is σ = 121875840. Its totient is φ = 109326456.

The previous prime is 115591051. The next prime is 115591097. The reversal of 115591079 is 970195511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115591079 - 2²⁴ = 98813863 is a prime.

It is a super-3 number, since 3×115591079³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115591379) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7592 + ... + 16994.

It is an arithmetic number, because the mean of its divisors is an integer number (15234480).

Almost surely, 2^115591079 is an apocalyptic number.

115591079 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

115591079 is a deficient number, since it is larger than the sum of its proper divisors (6284761).

115591079 is an equidigital number, since it uses as much as digits as its factorization.

115591079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10069.

The product of its (nonzero) digits is 14175, while the sum is 38.

The square root of 115591079 is about 10751.3291736417. The cubic root of 115591079 is about 487.1261445775.

The spelling of 115591079 in words is "one hundred fifteen million, five hundred ninety-one thousand, seventy-nine".