56851799311 has 2 divisors, whose sum is σ = 56851799312. Its totient is φ = 56851799310.

The previous prime is 56851799309. The next prime is 56851799357. The reversal of 56851799311 is 11399715865.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56851799311 - 2¹ = 56851799309 is a prime.

Together with 56851799309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56851799611) 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 as a sum of consecutive naturals, namely, 28425899655 + 28425899656.

It is an arithmetic number, because the mean of its divisors is an integer number (28425899656).

Almost surely, 2^56851799311 is an apocalyptic number.

56851799311 is a deficient number, since it is larger than the sum of its proper divisors (1).

56851799311 is an equidigital number, since it uses as much as digits as its factorization.

56851799311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2041200, while the sum is 55.

The spelling of 56851799311 in words is "fifty-six billion, eight hundred fifty-one million, seven hundred ninety-nine thousand, three hundred eleven".