56519151679 has 2 divisors, whose sum is σ = 56519151680. Its totient is φ = 56519151678.

The previous prime is 56519151641. The next prime is 56519151701. The reversal of 56519151679 is 97615191565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56519151679 - 2²¹ = 56517054527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56519151079) 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, 28259575839 + 28259575840.

It is an arithmetic number, because the mean of its divisors is an integer number (28259575840).

Almost surely, 2^56519151679 is an apocalyptic number.

56519151679 is a deficient number, since it is larger than the sum of its proper divisors (1).

56519151679 is an equidigital number, since it uses as much as digits as its factorization.

56519151679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2551500, while the sum is 55.

The spelling of 56519151679 in words is "fifty-six billion, five hundred nineteen million, one hundred fifty-one thousand, six hundred seventy-nine".