11655364555072 has 56 divisors (see below), whose sum is σ = 26634478242240. Its totient is φ = 4957025249280.

The previous prime is 11655364555057. The next prime is 11655364555103. The reversal of 11655364555072 is 27055546355611.

It is a tau number, because it is divible by the number of its divisors (56).

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, 99240697 + ... + 99358072.

Almost surely, 2^{11655364555072} is an apocalyptic number.

It is an amenable number.

11655364555072 is an abundant number, since it is smaller than the sum of its proper divisors (14979113687168).

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

11655364555072 is a wasteful number, since it uses less digits than its factorization.

11655364555072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198598919 (or 198598909 counting only the distinct ones).

The product of its (nonzero) digits is 18900000, while the sum is 55.

The spelling of 11655364555072 in words is "eleven trillion, six hundred fifty-five billion, three hundred sixty-four million, five hundred fifty-five thousand, seventy-two".