51305064244277 has 2 divisors, whose sum is σ = 51305064244278. Its totient is φ = 51305064244276.

The previous prime is 51305064244253. The next prime is 51305064244297. The reversal of 51305064244277 is 77244246050315.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29375034175876 + 21930030068401 = 5419874^2 + 4682951^2 .

It is a cyclic number.

It is not a de Polignac number, because 51305064244277 - 2²⁴ = 51305047467061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51305064244297) 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, 25652532122138 + 25652532122139.

It is an arithmetic number, because the mean of its divisors is an integer number (25652532122139).

Almost surely, 2^{51305064244277} is an apocalyptic number.

It is an amenable number.

51305064244277 is a deficient number, since it is larger than the sum of its proper divisors (1).

51305064244277 is an equidigital number, since it uses as much as digits as its factorization.

51305064244277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5644800, while the sum is 50.

The spelling of 51305064244277 in words is "fifty-one trillion, three hundred five billion, sixty-four million, two hundred forty-four thousand, two hundred seventy-seven".