56785705211 has 2 divisors, whose sum is σ = 56785705212. Its totient is φ = 56785705210.

The previous prime is 56785705129. The next prime is 56785705219. The reversal of 56785705211 is 11250758765.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56785705211 - 2¹⁸ = 56785443067 is a prime.

It is not a weakly prime, because it can be changed into another prime (56785705219) 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, 28392852605 + 28392852606.

It is an arithmetic number, because the mean of its divisors is an integer number (28392852606).

Almost surely, 2^56785705211 is an apocalyptic number.

56785705211 is a deficient number, since it is larger than the sum of its proper divisors (1).

56785705211 is an equidigital number, since it uses as much as digits as its factorization.

56785705211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 588000, while the sum is 47.

The spelling of 56785705211 in words is "fifty-six billion, seven hundred eighty-five million, seven hundred five thousand, two hundred eleven".