56501065049951 has 2 divisors, whose sum is σ = 56501065049952. Its totient is φ = 56501065049950.

The previous prime is 56501065049911. The next prime is 56501065050037. The reversal of 56501065049951 is 15994056010565.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56501065049951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56501065049911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28250532524975 + 28250532524976.

It is an arithmetic number, because the mean of its divisors is an integer number (28250532524976).

Almost surely, 2^{56501065049951} is an apocalyptic number.

56501065049951 is a deficient number, since it is larger than the sum of its proper divisors (1).

56501065049951 is an equidigital number, since it uses as much as digits as its factorization.

56501065049951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290000, while the sum is 56.

The spelling of 56501065049951 in words is "fifty-six trillion, five hundred one billion, sixty-five million, forty-nine thousand, nine hundred fifty-one".