117595666919 has 2 divisors, whose sum is σ = 117595666920. Its totient is φ = 117595666918.

The previous prime is 117595666849. The next prime is 117595666921. The reversal of 117595666919 is 919666595711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117595666919 is a prime.

It is a super-2 number, since 2×117595666919² (a number of 23 digits) contains 22 as substring.

Together with 117595666921, 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 (117595666939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58797833459 + 58797833460.

It is an arithmetic number, because the mean of its divisors is an integer number (58797833460).

Almost surely, 2^117595666919 is an apocalyptic number.

117595666919 is a deficient number, since it is larger than the sum of its proper divisors (1).

117595666919 is an equidigital number, since it uses as much as digits as its factorization.

117595666919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27556200, while the sum is 65.

The spelling of 117595666919 in words is "one hundred seventeen billion, five hundred ninety-five million, six hundred sixty-six thousand, nine hundred nineteen".