117355911 has 4 divisors (see below), whose sum is σ = 156474552. Its totient is φ = 78237272.

The previous prime is 117355853. The next prime is 117355937. The reversal of 117355911 is 119553711.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 119553711 = 3 ⋅39851237.

It is a cyclic number.

It is not a de Polignac number, because 117355911 - 2⁷ = 117355783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117355991) 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, 19559316 + ... + 19559321.

It is an arithmetic number, because the mean of its divisors is an integer number (39118638).

Almost surely, 2^117355911 is an apocalyptic number.

117355911 is a deficient number, since it is larger than the sum of its proper divisors (39118641).

117355911 is an equidigital number, since it uses as much as digits as its factorization.

117355911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39118640.

The product of its digits is 4725, while the sum is 33.

The square root of 117355911 is about 10833.0933255465. The cubic root of 117355911 is about 489.5927631265.

The spelling of 117355911 in words is "one hundred seventeen million, three hundred fifty-five thousand, nine hundred eleven".