5251250640113 has 2 divisors, whose sum is σ = 5251250640114. Its totient is φ = 5251250640112.

The previous prime is 5251250640107. The next prime is 5251250640197. The reversal of 5251250640113 is 3110460521525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5221554045184 + 29696594929 = 2285072^2 + 172327^2 .

It is a cyclic number.

It is not a de Polignac number, because 5251250640113 - 2³⁰ = 5250176898289 is a prime.

It is not a weakly prime, because it can be changed into another prime (5251250610113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625625320056 + 2625625320057.

It is an arithmetic number, because the mean of its divisors is an integer number (2625625320057).

Almost surely, 2^{5251250640113} is an apocalyptic number.

It is an amenable number.

5251250640113 is a deficient number, since it is larger than the sum of its proper divisors (1).

5251250640113 is an equidigital number, since it uses as much as digits as its factorization.

5251250640113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 5251250640113 in words is "five trillion, two hundred fifty-one billion, two hundred fifty million, six hundred forty thousand, one hundred thirteen".