117566411 has 4 divisors (see below), whose sum is σ = 120067872. Its totient is φ = 115064952.

The previous prime is 117566399. The next prime is 117566447. The reversal of 117566411 is 114665711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 114665711 = 109 ⋅1051979.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117566411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117566461) 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, 1250660 + ... + 1250753.

It is an arithmetic number, because the mean of its divisors is an integer number (30016968).

Almost surely, 2^117566411 is an apocalyptic number.

117566411 is a deficient number, since it is larger than the sum of its proper divisors (2501461).

117566411 is an equidigital number, since it uses as much as digits as its factorization.

117566411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501460.

The product of its digits is 5040, while the sum is 32.

The square root of 117566411 is about 10842.8045726187. The cubic root of 117566411 is about 489.8853139897.

The spelling of 117566411 in words is "one hundred seventeen million, five hundred sixty-six thousand, four hundred eleven".