51084264811213 has 2 divisors, whose sum is σ = 51084264811214. Its totient is φ = 51084264811212.

The previous prime is 51084264811199. The next prime is 51084264811343. The reversal of 51084264811213 is 31211846248015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41586015433284 + 9498249377929 = 6448722^2 + 3081923^2 .

It is a cyclic number.

It is not a de Polignac number, because 51084264811213 - 2⁹ = 51084264810701 is a prime.

It is a super-2 number, since 2×51084264811213² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51084264811513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25542132405606 + 25542132405607.

It is an arithmetic number, because the mean of its divisors is an integer number (25542132405607).

Almost surely, 2^{51084264811213} is an apocalyptic number.

It is an amenable number.

51084264811213 is a deficient number, since it is larger than the sum of its proper divisors (1).

51084264811213 is an equidigital number, since it uses as much as digits as its factorization.

51084264811213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 51084264811213 in words is "fifty-one trillion, eighty-four billion, two hundred sixty-four million, eight hundred eleven thousand, two hundred thirteen".