117553645213 has 2 divisors, whose sum is σ = 117553645214. Its totient is φ = 117553645212.

The previous prime is 117553645207. The next prime is 117553645241. The reversal of 117553645213 is 312546355711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96027473689 + 21526171524 = 309883^2 + 146718^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117553645213 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117553645213.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117553645243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58776822606 + 58776822607.

It is an arithmetic number, because the mean of its divisors is an integer number (58776822607).

Almost surely, 2^117553645213 is an apocalyptic number.

It is an amenable number.

117553645213 is a deficient number, since it is larger than the sum of its proper divisors (1).

117553645213 is an equidigital number, since it uses as much as digits as its factorization.

117553645213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 378000, while the sum is 43.

The spelling of 117553645213 in words is "one hundred seventeen billion, five hundred fifty-three million, six hundred forty-five thousand, two hundred thirteen".