56851799211 has 64 divisors (see below), whose sum is σ = 93169612800. Its totient is φ = 34079367168.

The previous prime is 56851799149. The next prime is 56851799293. The reversal of 56851799211 is 11299715865.

It is a happy number.

56851799211 is a `hidden beast` number, since 568 + 5 + 1 + 79 + 9 + 2 + 1 + 1 = 666.

It is not a de Polignac number, because 56851799211 - 2⁷ = 56851799083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56851799311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10205835 + ... + 10211403.

It is an arithmetic number, because the mean of its divisors is an integer number (1455775200).

Almost surely, 2^56851799211 is an apocalyptic number.

56851799211 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

56851799211 is a deficient number, since it is larger than the sum of its proper divisors (36317813589).

56851799211 is a wasteful number, since it uses less digits than its factorization.

56851799211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6585 (or 6579 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 54.

The spelling of 56851799211 in words is "fifty-six billion, eight hundred fifty-one million, seven hundred ninety-nine thousand, two hundred eleven".