118313867717 has 2 divisors, whose sum is σ = 118313867718. Its totient is φ = 118313867716.

The previous prime is 118313867701. The next prime is 118313867719. The reversal of 118313867717 is 717768313811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118005303361 + 308564356 = 343519^2 + 17566^2 .

It is an emirp because it is prime and its reverse (717768313811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118313867717 - 2⁴ = 118313867701 is a prime.

It is a super-3 number, since 3×118313867717³ (a number of 34 digits) contains 333 as substring.

Together with 118313867719, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118313867719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59156933858 + 59156933859.

It is an arithmetic number, because the mean of its divisors is an integer number (59156933859).

Almost surely, 2^118313867717 is an apocalyptic number.

It is an amenable number.

118313867717 is a deficient number, since it is larger than the sum of its proper divisors (1).

118313867717 is an equidigital number, since it uses as much as digits as its factorization.

118313867717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1185408, while the sum is 53.

The spelling of 118313867717 in words is "one hundred eighteen billion, three hundred thirteen million, eight hundred sixty-seven thousand, seven hundred seventeen".