117811199 has 8 divisors (see below), whose sum is σ = 130149120. Its totient is φ = 105744600.

The previous prime is 117811193. The next prime is 117811231. The reversal of 117811199 is 991118711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117811199 - 2²⁴ = 101033983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117811193) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66917 + ... + 68654.

It is an arithmetic number, because the mean of its divisors is an integer number (16268640).

Almost surely, 2^117811199 is an apocalyptic number.

117811199 is a deficient number, since it is larger than the sum of its proper divisors (12337921).

117811199 is a wasteful number, since it uses less digits than its factorization.

117811199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135661.

The product of its digits is 4536, while the sum is 38.

The square root of 117811199 is about 10854.0867418682. The cubic root of 117811199 is about 490.2250791580.

The spelling of 117811199 in words is "one hundred seventeen million, eight hundred eleven thousand, one hundred ninety-nine".