57516111859837 has 2 divisors, whose sum is σ = 57516111859838. Its totient is φ = 57516111859836.

The previous prime is 57516111859813. The next prime is 57516111859867. The reversal of 57516111859837 is 73895811161575.

57516111859837 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41455943399641 + 16060168460196 = 6438629^2 + 4007514^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57516111859837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57516111859867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28758055929918 + 28758055929919.

It is an arithmetic number, because the mean of its divisors is an integer number (28758055929919).

Almost surely, 2^{57516111859837} is an apocalyptic number.

It is an amenable number.

57516111859837 is a deficient number, since it is larger than the sum of its proper divisors (1).

57516111859837 is an equidigital number, since it uses as much as digits as its factorization.

57516111859837 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504000, while the sum is 67.

The spelling of 57516111859837 in words is "fifty-seven trillion, five hundred sixteen billion, one hundred eleven million, eight hundred fifty-nine thousand, eight hundred thirty-seven".