5116721776297 has 2 divisors, whose sum is σ = 5116721776298. Its totient is φ = 5116721776296.

The previous prime is 5116721776217. The next prime is 5116721776303. The reversal of 5116721776297 is 7926771276115.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5004723791376 + 111997984921 = 2237124^2 + 334661^2 .

It is a cyclic number.

It is not a de Polignac number, because 5116721776297 - 2⁷ = 5116721776169 is a prime.

It is a super-2 number, since 2×5116721776297² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5116721776217) 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, 2558360888148 + 2558360888149.

It is an arithmetic number, because the mean of its divisors is an integer number (2558360888149).

Almost surely, 2^{5116721776297} is an apocalyptic number.

It is an amenable number.

5116721776297 is a deficient number, since it is larger than the sum of its proper divisors (1).

5116721776297 is an equidigital number, since it uses as much as digits as its factorization.

5116721776297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15558480, while the sum is 61.

The spelling of 5116721776297 in words is "five trillion, one hundred sixteen billion, seven hundred twenty-one million, seven hundred seventy-six thousand, two hundred ninety-seven".