50765718531551 has 2 divisors, whose sum is σ = 50765718531552. Its totient is φ = 50765718531550.

The previous prime is 50765718531529. The next prime is 50765718531659. The reversal of 50765718531551 is 15513581756705.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50765718531551 - 2⁶ = 50765718531487 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50765718530551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25382859265775 + 25382859265776.

It is an arithmetic number, because the mean of its divisors is an integer number (25382859265776).

Almost surely, 2^{50765718531551} is an apocalyptic number.

50765718531551 is a deficient number, since it is larger than the sum of its proper divisors (1).

50765718531551 is an equidigital number, since it uses as much as digits as its factorization.

50765718531551 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22050000, while the sum is 59.

The spelling of 50765718531551 in words is "fifty trillion, seven hundred sixty-five billion, seven hundred eighteen million, five hundred thirty-one thousand, five hundred fifty-one".