5318355116677 has 2 divisors, whose sum is σ = 5318355116678. Its totient is φ = 5318355116676.

The previous prime is 5318355116623. The next prime is 5318355116681. The reversal of 5318355116677 is 7766115538135.

5318355116677 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5317885050916 + 470065761 = 2306054^2 + 21681^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5318355116677 is a prime.

It is a super-2 number, since 2×5318355116677² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5318355116687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2659177558338 + 2659177558339.

It is an arithmetic number, because the mean of its divisors is an integer number (2659177558339).

Almost surely, 2^{5318355116677} is an apocalyptic number.

It is an amenable number.

5318355116677 is a deficient number, since it is larger than the sum of its proper divisors (1).

5318355116677 is an equidigital number, since it uses as much as digits as its factorization.

5318355116677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15876000, while the sum is 58.

The spelling of 5318355116677 in words is "five trillion, three hundred eighteen billion, three hundred fifty-five million, one hundred sixteen thousand, six hundred seventy-seven".