115112161 has 8 divisors (see below), whose sum is σ = 118065024. Its totient is φ = 112171920.

The previous prime is 115112159. The next prime is 115112177. The reversal of 115112161 is 161211511.

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

It is a cyclic number.

It is not a de Polignac number, because 115112161 - 2¹ = 115112159 is a prime.

It is a super-2 number, since 2×115112161² = 26501619220179842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115116161) 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, 16920 + ... + 22726.

It is an arithmetic number, because the mean of its divisors is an integer number (14758128).

Almost surely, 2^115112161 is an apocalyptic number.

It is an amenable number.

115112161 is a deficient number, since it is larger than the sum of its proper divisors (2952863).

115112161 is an equidigital number, since it uses as much as digits as its factorization.

115112161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6311.

The product of its digits is 60, while the sum is 19.

The square root of 115112161 is about 10729.0335538668. The cubic root of 115112161 is about 486.4524581674.

Adding to 115112161 its reverse (161211511), we get a palindrome (276323672).

The spelling of 115112161 in words is "one hundred fifteen million, one hundred twelve thousand, one hundred sixty-one".