5156235703217 has 2 divisors, whose sum is σ = 5156235703218. Its totient is φ = 5156235703216.

The previous prime is 5156235703193. The next prime is 5156235703237. The reversal of 5156235703217 is 7123075326515.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5112555121216 + 43680582001 = 2261096^2 + 208999^2 .

It is a cyclic number.

It is not a de Polignac number, because 5156235703217 - 2¹⁶ = 5156235637681 is a prime.

It is not a weakly prime, because it can be changed into another prime (5156235703237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578117851608 + 2578117851609.

It is an arithmetic number, because the mean of its divisors is an integer number (2578117851609).

Almost surely, 2^{5156235703217} is an apocalyptic number.

It is an amenable number.

5156235703217 is a deficient number, since it is larger than the sum of its proper divisors (1).

5156235703217 is an equidigital number, since it uses as much as digits as its factorization.

5156235703217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1323000, while the sum is 47.

The spelling of 5156235703217 in words is "five trillion, one hundred fifty-six billion, two hundred thirty-five million, seven hundred three thousand, two hundred seventeen".