117503518211 has 4 divisors (see below), whose sum is σ = 117527488752. Its totient is φ = 117479547672.

The previous prime is 117503518207. The next prime is 117503518213. The reversal of 117503518211 is 112815305711.

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

It is a cyclic number.

It is not a de Polignac number, because 117503518211 - 2² = 117503518207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117503518213) 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, 11977916 + ... + 11987721.

It is an arithmetic number, because the mean of its divisors is an integer number (29381872188).

Almost surely, 2^117503518211 is an apocalyptic number.

117503518211 is a deficient number, since it is larger than the sum of its proper divisors (23970541).

117503518211 is an equidigital number, since it uses as much as digits as its factorization.

117503518211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23970540.

The product of its (nonzero) digits is 8400, while the sum is 35.

The spelling of 117503518211 in words is "one hundred seventeen billion, five hundred three million, five hundred eighteen thousand, two hundred eleven".