117699754645 has 12 divisors (see below), whose sum is σ = 155246949900. Its totient is φ = 85599821120.

The previous prime is 117699754631. The next prime is 117699754663. The reversal of 117699754645 is 546457996711.

It can be written as a sum of positive squares in 2 ways, for example, as 76925241316 + 40774513329 = 277354^2 + 201927^2 .

It is a de Polignac number, because none of the positive numbers 2^k-117699754645 is a prime.

It is a congruent number.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 97271920 + ... + 97273129.

It is an arithmetic number, because the mean of its divisors is an integer number (12937245825).

Almost surely, 2^117699754645 is an apocalyptic number.

It is an amenable number.

117699754645 is a deficient number, since it is larger than the sum of its proper divisors (37547195255).

117699754645 is a wasteful number, since it uses less digits than its factorization.

117699754645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194545076 (or 194545065 counting only the distinct ones).

The product of its digits is 57153600, while the sum is 64.

The spelling of 117699754645 in words is "one hundred seventeen billion, six hundred ninety-nine million, seven hundred fifty-four thousand, six hundred forty-five".