51056050002913 has 2 divisors, whose sum is σ = 51056050002914. Its totient is φ = 51056050002912.

The previous prime is 51056050002901. The next prime is 51056050002917. The reversal of 51056050002913 is 31920005065015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27157366280529 + 23898683722384 = 5211273^2 + 4888628^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51056050002913 is a prime.

It is not a weakly prime, because it can be changed into another prime (51056050002917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25528025001456 + 25528025001457.

It is an arithmetic number, because the mean of its divisors is an integer number (25528025001457).

Almost surely, 2^{51056050002913} is an apocalyptic number.

It is an amenable number.

51056050002913 is a deficient number, since it is larger than the sum of its proper divisors (1).

51056050002913 is an equidigital number, since it uses as much as digits as its factorization.

51056050002913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40500, while the sum is 37.

Adding to 51056050002913 its reverse (31920005065015), we get a palindrome (82976055067928).

The spelling of 51056050002913 in words is "fifty-one trillion, fifty-six billion, fifty million, two thousand, nine hundred thirteen".