117911192163 has 4 divisors (see below), whose sum is σ = 157214922888. Its totient is φ = 78607461440.

The previous prime is 117911192153. The next prime is 117911192171. The reversal of 117911192163 is 361291119711.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 117911192163 - 2⁵ = 117911192131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117911192153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19651865358 + ... + 19651865363.

It is an arithmetic number, because the mean of its divisors is an integer number (39303730722).

Almost surely, 2^117911192163 is an apocalyptic number.

117911192163 is a deficient number, since it is larger than the sum of its proper divisors (39303730725).

117911192163 is an equidigital number, since it uses as much as digits as its factorization.

117911192163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39303730724.

The product of its digits is 20412, while the sum is 42.

The spelling of 117911192163 in words is "one hundred seventeen billion, nine hundred eleven million, one hundred ninety-two thousand, one hundred sixty-three".