115591071 has 32 divisors (see below), whose sum is σ = 165528000. Its totient is φ = 71608320.

The previous prime is 115591051. The next prime is 115591097. The reversal of 115591071 is 170195511.

It is not a de Polignac number, because 115591071 - 2²³ = 107202463 is a prime.

It is a super-3 number, since 3×115591071³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115591051) 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, 479511 + ... + 479751.

It is an arithmetic number, because the mean of its divisors is an integer number (5172750).

Almost surely, 2^115591071 is an apocalyptic number.

115591071 is a deficient number, since it is larger than the sum of its proper divisors (49936929).

115591071 is a wasteful number, since it uses less digits than its factorization.

115591071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459.

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

The square root of 115591071 is about 10751.3288015947. The cubic root of 115591071 is about 487.1261333396.

The spelling of 115591071 in words is "one hundred fifteen million, five hundred ninety-one thousand, seventy-one".