5251364430113 has 2 divisors, whose sum is σ = 5251364430114. Its totient is φ = 5251364430112.

The previous prime is 5251364430101. The next prime is 5251364430157. The reversal of 5251364430113 is 3110344631525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3170636074384 + 2080728355729 = 1780628^2 + 1442473^2 .

It is a cyclic number.

It is not a de Polignac number, because 5251364430113 - 2¹² = 5251364426017 is a prime.

It is a super-2 number, since 2×5251364430113² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (5251364432113) 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, 2625682215056 + 2625682215057.

It is an arithmetic number, because the mean of its divisors is an integer number (2625682215057).

Almost surely, 2^{5251364430113} is an apocalyptic number.

It is an amenable number.

5251364430113 is a deficient number, since it is larger than the sum of its proper divisors (1).

5251364430113 is an equidigital number, since it uses as much as digits as its factorization.

5251364430113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 5251364430113 in words is "five trillion, two hundred fifty-one billion, three hundred sixty-four million, four hundred thirty thousand, one hundred thirteen".