117613211 has 4 divisors (see below), whose sum is σ = 123803400. Its totient is φ = 111423024.

The previous prime is 117613189. The next prime is 117613217. The reversal of 117613211 is 112316711.

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: 112316711 = 13 ⋅8639747.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117613211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117613217) 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, 3095066 + ... + 3095103.

It is an arithmetic number, because the mean of its divisors is an integer number (30950850).

Almost surely, 2^117613211 is an apocalyptic number.

117613211 is a deficient number, since it is larger than the sum of its proper divisors (6190189).

117613211 is an equidigital number, since it uses as much as digits as its factorization.

117613211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6190188.

The product of its digits is 252, while the sum is 23.

The square root of 117613211 is about 10844.9624711199. The cubic root of 117613211 is about 489.9503087191.

Adding to 117613211 its reverse (112316711), we get a palindrome (229929922).

The spelling of 117613211 in words is "one hundred seventeen million, six hundred thirteen thousand, two hundred eleven".