115655565165 has 64 divisors (see below), whose sum is σ = 212341948416. Its totient is φ = 52657178112.

The previous prime is 115655565161. The next prime is 115655565227. The reversal of 115655565165 is 561565556511.

It is not a de Polignac number, because 115655565165 - 2² = 115655565161 is a prime.

It is a super-2 number, since 2×115655565165² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115655565161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35508217 + ... + 35511473.

It is an arithmetic number, because the mean of its divisors is an integer number (3317842944).

Almost surely, 2^115655565165 is an apocalyptic number.

115655565165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115655565165 is a deficient number, since it is larger than the sum of its proper divisors (96686383251).

115655565165 is a wasteful number, since it uses less digits than its factorization.

115655565165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4538.

The product of its digits is 3375000, while the sum is 51.

The spelling of 115655565165 in words is "one hundred fifteen billion, six hundred fifty-five million, five hundred sixty-five thousand, one hundred sixty-five".