113378684717 has 2 divisors, whose sum is σ = 113378684718. Its totient is φ = 113378684716.

The previous prime is 113378684569. The next prime is 113378684719. The reversal of 113378684717 is 717486873311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 107103034756 + 6275649961 = 327266^2 + 79219^2 .

It is a cyclic number.

It is not a de Polignac number, because 113378684717 - 2²² = 113374490413 is a prime.

It is a super-2 number, since 2×113378684717² (a number of 23 digits) contains 22 as substring.

Together with 113378684719, 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 (113378684719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56689342358 + 56689342359.

It is an arithmetic number, because the mean of its divisors is an integer number (56689342359).

Almost surely, 2^113378684717 is an apocalyptic number.

It is an amenable number.

113378684717 is a deficient number, since it is larger than the sum of its proper divisors (1).

113378684717 is an equidigital number, since it uses as much as digits as its factorization.

113378684717 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4741632, while the sum is 56.

The spelling of 113378684717 in words is "one hundred thirteen billion, three hundred seventy-eight million, six hundred eighty-four thousand, seven hundred seventeen".