5156507875637 has 2 divisors, whose sum is σ = 5156507875638. Its totient is φ = 5156507875636.

The previous prime is 5156507875619. The next prime is 5156507875697. The reversal of 5156507875637 is 7365787056515.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4029016432081 + 1127491443556 = 2007241^2 + 1061834^2 .

It is a cyclic number.

It is not a de Polignac number, because 5156507875637 - 2¹⁰ = 5156507874613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5156507875697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578253937818 + 2578253937819.

It is an arithmetic number, because the mean of its divisors is an integer number (2578253937819).

Almost surely, 2^{5156507875637} is an apocalyptic number.

It is an amenable number.

5156507875637 is a deficient number, since it is larger than the sum of its proper divisors (1).

5156507875637 is an equidigital number, since it uses as much as digits as its factorization.

5156507875637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 185220000, while the sum is 65.

The spelling of 5156507875637 in words is "five trillion, one hundred fifty-six billion, five hundred seven million, eight hundred seventy-five thousand, six hundred thirty-seven".