11665050655056 has 80 divisors (see below), whose sum is σ = 30896104873920. Its totient is φ = 3790461588480.

The previous prime is 11665050655033. The next prime is 11665050655061. The reversal of 11665050655056 is 65055605056611.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4501165 + ... + 6602316.

It is an arithmetic number, because the mean of its divisors is an integer number (386201310924).

Almost surely, 2^{11665050655056} is an apocalyptic number.

11665050655056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11665050655056 is an abundant number, since it is smaller than the sum of its proper divisors (19231054218864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11665050655056 is a wasteful number, since it uses less digits than its factorization.

11665050655056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11104044 (or 11104038 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 51.

The spelling of 11665050655056 in words is "eleven trillion, six hundred sixty-five billion, fifty million, six hundred fifty-five thousand, fifty-six".