115262665161 has 24 divisors (see below), whose sum is σ = 178795356480. Its totient is φ = 65856786912.

The previous prime is 115262665153. The next prime is 115262665181. The reversal of 115262665161 is 161566262511.

It is not a de Polignac number, because 115262665161 - 2³ = 115262665153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115262665181) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1388355 + ... + 1469031.

It is an arithmetic number, because the mean of its divisors is an integer number (7449806520).

Almost surely, 2^115262665161 is an apocalyptic number.

It is an amenable number.

115262665161 is a deficient number, since it is larger than the sum of its proper divisors (63532691319).

115262665161 is an equidigital number, since it uses as much as digits as its factorization.

115262665161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90413 (or 90406 counting only the distinct ones).

The product of its digits is 129600, while the sum is 42.

The spelling of 115262665161 in words is "one hundred fifteen billion, two hundred sixty-two million, six hundred sixty-five thousand, one hundred sixty-one".