117219955873 has 2 divisors, whose sum is σ = 117219955874. Its totient is φ = 117219955872.

The previous prime is 117219955861. The next prime is 117219955877. The reversal of 117219955873 is 378559912711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 117205576609 + 14379264 = 342353^2 + 3792^2 .

It is a cyclic number.

It is not a de Polignac number, because 117219955873 - 2⁹ = 117219955361 is a prime.

It is not a weakly prime, because it can be changed into another prime (117219955877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58609977936 + 58609977937.

It is an arithmetic number, because the mean of its divisors is an integer number (58609977937).

Almost surely, 2^117219955873 is an apocalyptic number.

It is an amenable number.

117219955873 is a deficient number, since it is larger than the sum of its proper divisors (1).

117219955873 is an equidigital number, since it uses as much as digits as its factorization.

117219955873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4762800, while the sum is 58.

The spelling of 117219955873 in words is "one hundred seventeen billion, two hundred nineteen million, nine hundred fifty-five thousand, eight hundred seventy-three".