11655868065104 has 40 divisors (see below), whose sum is σ = 22805103713280. Its totient is φ = 5770898961408.

The previous prime is 11655868065097. The next prime is 11655868065173. The reversal of 11655868065104 is 40156086855611.

It is a super-2 number, since 2×11655868065104² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11655868065104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5990177 + ... + 7693760.

It is an arithmetic number, because the mean of its divisors is an integer number (570127592832).

Almost surely, 2^{11655868065104} is an apocalyptic number.

It is an amenable number.

11655868065104 is a deficient number, since it is larger than the sum of its proper divisors (11149235648176).

11655868065104 is a wasteful number, since it uses less digits than its factorization.

11655868065104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13684467 (or 13684461 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 56.

The spelling of 11655868065104 in words is "eleven trillion, six hundred fifty-five billion, eight hundred sixty-eight million, sixty-five thousand, one hundred four".