51993089573311 has 2 divisors, whose sum is σ = 51993089573312. Its totient is φ = 51993089573310.

The previous prime is 51993089573297. The next prime is 51993089573357. The reversal of 51993089573311 is 11337598039915.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51993089573311 - 2³⁹ = 51443333759423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51993089553311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25996544786655 + 25996544786656.

It is an arithmetic number, because the mean of its divisors is an integer number (25996544786656).

Almost surely, 2^{51993089573311} is an apocalyptic number.

51993089573311 is a deficient number, since it is larger than the sum of its proper divisors (1).

51993089573311 is an equidigital number, since it uses as much as digits as its factorization.

51993089573311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27556200, while the sum is 64.

The spelling of 51993089573311 in words is "fifty-one trillion, nine hundred ninety-three billion, eighty-nine million, five hundred seventy-three thousand, three hundred eleven".