51813745088297 has 2 divisors, whose sum is σ = 51813745088298. Its totient is φ = 51813745088296.

The previous prime is 51813745088279. The next prime is 51813745088359. The reversal of 51813745088297 is 79288054731815.

Together with previous prime (51813745088279) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31020655805161 + 20793089283136 = 5569619^2 + 4559944^2 .

It is a cyclic number.

It is not a de Polignac number, because 51813745088297 - 2¹⁶ = 51813745022761 is a prime.

It is not a weakly prime, because it can be changed into another prime (51813745088257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25906872544148 + 25906872544149.

It is an arithmetic number, because the mean of its divisors is an integer number (25906872544149).

Almost surely, 2^{51813745088297} is an apocalyptic number.

It is an amenable number.

51813745088297 is a deficient number, since it is larger than the sum of its proper divisors (1).

51813745088297 is an equidigital number, since it uses as much as digits as its factorization.

51813745088297 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135475200, while the sum is 68.

The spelling of 51813745088297 in words is "fifty-one trillion, eight hundred thirteen billion, seven hundred forty-five million, eighty-eight thousand, two hundred ninety-seven".