12044585556 has 36 divisors (see below), whose sum is σ = 30538047904. Its totient is φ = 4002728400.

The previous prime is 12044585537. The next prime is 12044585591. The reversal of 12044585556 is 65558544021.

12044585556 is a `hidden beast` number, since 1 + 2 + 0 + 44 + 58 + 5 + 556 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 493480 + ... + 517311.

Almost surely, 2^12044585556 is an apocalyptic number.

It is an amenable number.

12044585556 is an abundant number, since it is smaller than the sum of its proper divisors (18493462348).

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

12044585556 is a wasteful number, since it uses less digits than its factorization.

12044585556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011132 (or 1011127 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 45.

The spelling of 12044585556 in words is "twelve billion, forty-four million, five hundred eighty-five thousand, five hundred fifty-six".