50161776566113 has 2 divisors, whose sum is σ = 50161776566114. Its totient is φ = 50161776566112.

The previous prime is 50161776566051. The next prime is 50161776566171. The reversal of 50161776566113 is 31166567716105.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44911134286929 + 5250642279184 = 6701577^2 + 2291428^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50161776566113 is a prime.

It is not a weakly prime, because it can be changed into another prime (50161776566173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25080888283056 + 25080888283057.

It is an arithmetic number, because the mean of its divisors is an integer number (25080888283057).

Almost surely, 2^{50161776566113} is an apocalyptic number.

It is an amenable number.

50161776566113 is a deficient number, since it is larger than the sum of its proper divisors (1).

50161776566113 is an equidigital number, since it uses as much as digits as its factorization.

50161776566113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4762800, while the sum is 55.

The spelling of 50161776566113 in words is "fifty trillion, one hundred sixty-one billion, seven hundred seventy-six million, five hundred sixty-six thousand, one hundred thirteen".