113768818613 has 2 divisors, whose sum is σ = 113768818614. Its totient is φ = 113768818612.

The previous prime is 113768818601. The next prime is 113768818679. The reversal of 113768818613 is 316818867311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 111765181969 + 2003636644 = 334313^2 + 44762^2 .

It is a cyclic number.

It is not a de Polignac number, because 113768818613 - 2⁶ = 113768818549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113768818313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56884409306 + 56884409307.

It is an arithmetic number, because the mean of its divisors is an integer number (56884409307).

Almost surely, 2^113768818613 is an apocalyptic number.

It is an amenable number.

113768818613 is a deficient number, since it is larger than the sum of its proper divisors (1).

113768818613 is an equidigital number, since it uses as much as digits as its factorization.

113768818613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 53.

The spelling of 113768818613 in words is "one hundred thirteen billion, seven hundred sixty-eight million, eight hundred eighteen thousand, six hundred thirteen".