117513211 has 4 divisors (see below), whose sum is σ = 119000800. Its totient is φ = 116025624.

The previous prime is 117513199. The next prime is 117513223. The reversal of 117513211 is 112315711.

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

It is an interprime number because it is at equal distance from previous prime (117513199) and next prime (117513223).

It is a cyclic number.

It is not a de Polignac number, because 117513211 - 2⁷ = 117513083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117513251) 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, 743676 + ... + 743833.

It is an arithmetic number, because the mean of its divisors is an integer number (29750200).

Almost surely, 2^117513211 is an apocalyptic number.

117513211 is a deficient number, since it is larger than the sum of its proper divisors (1487589).

117513211 is an equidigital number, since it uses as much as digits as its factorization.

117513211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487588.

The product of its digits is 210, while the sum is 22.

The square root of 117513211 is about 10840.3510552011. The cubic root of 117513211 is about 489.8114101409.

Adding to 117513211 its reverse (112315711), we get a palindrome (229828922).

The spelling of 117513211 in words is "one hundred seventeen million, five hundred thirteen thousand, two hundred eleven".