56571085018 has 16 divisors (see below), whose sum is σ = 97032011904. Its totient is φ = 24231498480.

The previous prime is 56571085007. The next prime is 56571085019. The reversal of 56571085018 is 81058017565.

56571085018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56571085018² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56571085019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1077805 + ... + 1129072.

It is an arithmetic number, because the mean of its divisors is an integer number (6064500744).

Almost surely, 2^56571085018 is an apocalyptic number.

56571085018 is a deficient number, since it is larger than the sum of its proper divisors (40460926886).

56571085018 is a wasteful number, since it uses less digits than its factorization.

56571085018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2208717.

The product of its (nonzero) digits is 336000, while the sum is 46.

The spelling of 56571085018 in words is "fifty-six billion, five hundred seventy-one million, eighty-five thousand, eighteen".