51055211364193 has 2 divisors, whose sum is σ = 51055211364194. Its totient is φ = 51055211364192.

The previous prime is 51055211363957. The next prime is 51055211364217. The reversal of 51055211364193 is 39146311255015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43938444017664 + 7116767346529 = 6628608^2 + 2667727^2 .

It is a cyclic number.

It is not a de Polignac number, because 51055211364193 - 2¹⁷ = 51055211233121 is a prime.

It is not a weakly prime, because it can be changed into another prime (51055211368193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25527605682096 + 25527605682097.

It is an arithmetic number, because the mean of its divisors is an integer number (25527605682097).

Almost surely, 2^{51055211364193} is an apocalyptic number.

It is an amenable number.

51055211364193 is a deficient number, since it is larger than the sum of its proper divisors (1).

51055211364193 is an equidigital number, since it uses as much as digits as its factorization.

51055211364193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 51055211364193 in words is "fifty-one trillion, fifty-five billion, two hundred eleven million, three hundred sixty-four thousand, one hundred ninety-three".