117321117091 has 2 divisors, whose sum is σ = 117321117092. Its totient is φ = 117321117090.

The previous prime is 117321116999. The next prime is 117321117097. The reversal of 117321117091 is 190711123711.

It is a strong prime.

It is an emirp because it is prime and its reverse (190711123711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117321117091 - 2¹³ = 117321108899 is a prime.

It is not a weakly prime, because it can be changed into another prime (117321117097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58660558545 + 58660558546.

It is an arithmetic number, because the mean of its divisors is an integer number (58660558546).

Almost surely, 2^117321117091 is an apocalyptic number.

117321117091 is a deficient number, since it is larger than the sum of its proper divisors (1).

117321117091 is an equidigital number, since it uses as much as digits as its factorization.

117321117091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2646, while the sum is 34.

The spelling of 117321117091 in words is "one hundred seventeen billion, three hundred twenty-one million, one hundred seventeen thousand, ninety-one".