117511703321 has 4 divisors (see below), whose sum is σ = 117512587044. Its totient is φ = 117510819600.

The previous prime is 117511703299. The next prime is 117511703357. The reversal of 117511703321 is 123307115711.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 520341721 + 116991361600 = 22811^2 + 342040^2 .

It is a cyclic number.

It is not a de Polignac number, because 117511703321 - 2²⁶ = 117444594457 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117511703821) 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, 197270 + ... + 523391.

It is an arithmetic number, because the mean of its divisors is an integer number (29378146761).

Almost surely, 2^117511703321 is an apocalyptic number.

It is an amenable number.

117511703321 is a deficient number, since it is larger than the sum of its proper divisors (883723).

117511703321 is an equidigital number, since it uses as much as digits as its factorization.

117511703321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883722.

The product of its (nonzero) digits is 4410, while the sum is 32.

The spelling of 117511703321 in words is "one hundred seventeen billion, five hundred eleven million, seven hundred three thousand, three hundred twenty-one".