117170315971 has 2 divisors, whose sum is σ = 117170315972. Its totient is φ = 117170315970.

The previous prime is 117170315939. The next prime is 117170316007. The reversal of 117170315971 is 179513071711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117170315971 - 2⁵ = 117170315939 is a prime.

It is not a weakly prime, because it can be changed into another prime (117170312971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58585157985 + 58585157986.

It is an arithmetic number, because the mean of its divisors is an integer number (58585157986).

Almost surely, 2^117170315971 is an apocalyptic number.

117170315971 is a deficient number, since it is larger than the sum of its proper divisors (1).

117170315971 is an equidigital number, since it uses as much as digits as its factorization.

117170315971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46305, while the sum is 43.

The spelling of 117170315971 in words is "one hundred seventeen billion, one hundred seventy million, three hundred fifteen thousand, nine hundred seventy-one".