5180312560817 has 2 divisors, whose sum is σ = 5180312560818. Its totient is φ = 5180312560816.

The previous prime is 5180312560807. The next prime is 5180312560909. The reversal of 5180312560817 is 7180652130815.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4109989890721 + 1070322670096 = 2027311^2 + 1034564^2 .

It is a cyclic number.

It is not a de Polignac number, because 5180312560817 - 2¹⁸ = 5180312298673 is a prime.

It is not a weakly prime, because it can be changed into another prime (5180312560807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2590156280408 + 2590156280409.

It is an arithmetic number, because the mean of its divisors is an integer number (2590156280409).

Almost surely, 2^{5180312560817} is an apocalyptic number.

It is an amenable number.

5180312560817 is a deficient number, since it is larger than the sum of its proper divisors (1).

5180312560817 is an equidigital number, since it uses as much as digits as its factorization.

5180312560817 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 47.

The spelling of 5180312560817 in words is "five trillion, one hundred eighty billion, three hundred twelve million, five hundred sixty thousand, eight hundred seventeen".