51560411113 has 2 divisors, whose sum is σ = 51560411114. Its totient is φ = 51560411112.

The previous prime is 51560411099. The next prime is 51560411129. The reversal of 51560411113 is 31111406515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50880922624 + 679488489 = 225568^2 + 26067^2 .

It is a cyclic number.

It is not a de Polignac number, because 51560411113 - 2²⁵ = 51526856681 is a prime.

It is not a weakly prime, because it can be changed into another prime (51560411813) 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, 25780205556 + 25780205557.

It is an arithmetic number, because the mean of its divisors is an integer number (25780205557).

Almost surely, 2^51560411113 is an apocalyptic number.

It is an amenable number.

51560411113 is a deficient number, since it is larger than the sum of its proper divisors (1).

51560411113 is an equidigital number, since it uses as much as digits as its factorization.

51560411113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 28.

Adding to 51560411113 its reverse (31111406515), we get a palindrome (82671817628).

The spelling of 51560411113 in words is "fifty-one billion, five hundred sixty million, four hundred eleven thousand, one hundred thirteen".