65560005013 has 2 divisors, whose sum is σ = 65560005014. Its totient is φ = 65560005012.

The previous prime is 65560004971. The next prime is 65560005089. The reversal of 65560005013 is 31050006556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34535762244 + 31024242769 = 185838^2 + 176137^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65560005013 is a prime.

It is a super-2 number, since 2×65560005013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65560005613) 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, 32780002506 + 32780002507.

It is an arithmetic number, because the mean of its divisors is an integer number (32780002507).

Almost surely, 2^65560005013 is an apocalyptic number.

It is an amenable number.

65560005013 is a deficient number, since it is larger than the sum of its proper divisors (1).

65560005013 is an equidigital number, since it uses as much as digits as its factorization.

65560005013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13500, while the sum is 31.

The spelling of 65560005013 in words is "sixty-five billion, five hundred sixty million, five thousand, thirteen".