115169944165 has 8 divisors (see below), whose sum is σ = 142969586040. Its totient is φ = 88958853312.

The previous prime is 115169944163. The next prime is 115169944181. The reversal of 115169944165 is 561449961511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3903000676 + 111266943489 = 62474^2 + 333567^2 .

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 115169944165 - 2¹ = 115169944163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115169944163) 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, 397137594 + ... + 397137883.

It is an arithmetic number, because the mean of its divisors is an integer number (17871198255).

Almost surely, 2^115169944165 is an apocalyptic number.

It is an amenable number.

115169944165 is a deficient number, since it is larger than the sum of its proper divisors (27799641875).

115169944165 is an equidigital number, since it uses as much as digits as its factorization.

115169944165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794275511.

The product of its digits is 1166400, while the sum is 52.

The spelling of 115169944165 in words is "one hundred fifteen billion, one hundred sixty-nine million, nine hundred forty-four thousand, one hundred sixty-five".