115071591 has 8 divisors (see below), whose sum is σ = 157575664. Its totient is φ = 74640960.

The previous prime is 115071587. The next prime is 115071611. The reversal of 115071591 is 195170511.

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

It is not a de Polignac number, because 115071591 - 2² = 115071587 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115071511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518230 + ... + 518451.

It is an arithmetic number, because the mean of its divisors is an integer number (19696958).

Almost surely, 2^115071591 is an apocalyptic number.

115071591 is a deficient number, since it is larger than the sum of its proper divisors (42504073).

115071591 is a wasteful number, since it uses less digits than its factorization.

115071591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036721.

The product of its (nonzero) digits is 1575, while the sum is 30.

The square root of 115071591 is about 10727.1427230181. The cubic root of 115071591 is about 486.3953032007.

The spelling of 115071591 in words is "one hundred fifteen million, seventy-one thousand, five hundred ninety-one".