11557200556 has 24 divisors (see below), whose sum is σ = 22079635200. Its totient is φ = 5249490000.

The previous prime is 11557200539. The next prime is 11557200637. The reversal of 11557200556 is 65500275511.

11557200556 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 in 7 ways as a sum of consecutive naturals, for example, 32320 + ... + 155431.

It is an arithmetic number, because the mean of its divisors is an integer number (919984800).

Almost surely, 2^11557200556 is an apocalyptic number.

It is an amenable number.

11557200556 is a deficient number, since it is larger than the sum of its proper divisors (10522434644).

11557200556 is a wasteful number, since it uses less digits than its factorization.

11557200556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189165 (or 189163 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 37.

The spelling of 11557200556 in words is "eleven billion, five hundred fifty-seven million, two hundred thousand, five hundred fifty-six".