117965183591 has 2 divisors, whose sum is σ = 117965183592. Its totient is φ = 117965183590.

The previous prime is 117965183543. The next prime is 117965183597. The reversal of 117965183591 is 195381569711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117965183591 - 2¹⁸ = 117964921447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117965183597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58982591795 + 58982591796.

It is an arithmetic number, because the mean of its divisors is an integer number (58982591796).

Almost surely, 2^117965183591 is an apocalyptic number.

117965183591 is a deficient number, since it is larger than the sum of its proper divisors (1).

117965183591 is an equidigital number, since it uses as much as digits as its factorization.

117965183591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2041200, while the sum is 56.

The spelling of 117965183591 in words is "one hundred seventeen billion, nine hundred sixty-five million, one hundred eighty-three thousand, five hundred ninety-one".