11427568556 has 6 divisors (see below), whose sum is σ = 19998244980. Its totient is φ = 5713784276.

The previous prime is 11427568547. The next prime is 11427568613. The reversal of 11427568556 is 65586572411.

11427568556 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1428446066 + ... + 1428446073.

It is an arithmetic number, because the mean of its divisors is an integer number (3333040830).

Almost surely, 2^11427568556 is an apocalyptic number.

It is an amenable number.

11427568556 is a deficient number, since it is larger than the sum of its proper divisors (8570676424).

11427568556 is a wasteful number, since it uses less digits than its factorization.

11427568556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2856892143 (or 2856892141 counting only the distinct ones).

The product of its digits is 2016000, while the sum is 50.

The spelling of 11427568556 in words is "eleven billion, four hundred twenty-seven million, five hundred sixty-eight thousand, five hundred fifty-six".