117256992719 has 2 divisors, whose sum is σ = 117256992720. Its totient is φ = 117256992718.

The previous prime is 117256992683. The next prime is 117256992739. The reversal of 117256992719 is 917299652711.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117256992719 is a prime.

It is a super-2 number, since 2×117256992719² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117256992739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58628496359 + 58628496360.

It is an arithmetic number, because the mean of its divisors is an integer number (58628496360).

Almost surely, 2^117256992719 is an apocalyptic number.

117256992719 is a deficient number, since it is larger than the sum of its proper divisors (1).

117256992719 is an equidigital number, since it uses as much as digits as its factorization.

117256992719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4286520, while the sum is 59.

The spelling of 117256992719 in words is "one hundred seventeen billion, two hundred fifty-six million, nine hundred ninety-two thousand, seven hundred nineteen".