6565160056513 has 2 divisors, whose sum is σ = 6565160056514. Its totient is φ = 6565160056512.

The previous prime is 6565160056463. The next prime is 6565160056633. The reversal of 6565160056513 is 3156500615656.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4475120240704 + 2090039815809 = 2115448^2 + 1445697^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6565160056513 is a prime.

It is not a weakly prime, because it can be changed into another prime (6565160053513) 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, 3282580028256 + 3282580028257.

It is an arithmetic number, because the mean of its divisors is an integer number (3282580028257).

Almost surely, 2^{6565160056513} is an apocalyptic number.

It is an amenable number.

6565160056513 is a deficient number, since it is larger than the sum of its proper divisors (1).

6565160056513 is an equidigital number, since it uses as much as digits as its factorization.

6565160056513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430000, while the sum is 49.

The spelling of 6565160056513 in words is "six trillion, five hundred sixty-five billion, one hundred sixty million, fifty-six thousand, five hundred thirteen".