117120744665 has 4 divisors (see below), whose sum is σ = 140544893604. Its totient is φ = 93696595728.

The previous prime is 117120744617. The next prime is 117120744667. The reversal of 117120744665 is 566447021711.

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

It can be written as a sum of positive squares in 2 ways, for example, as 39295925824 + 77824818841 = 198232^2 + 278971^2 .

It is a cyclic number.

It is not a de Polignac number, because 117120744665 - 2³⁴ = 99940875481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117120744667) 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, 11712074462 + ... + 11712074471.

It is an arithmetic number, because the mean of its divisors is an integer number (35136223401).

Almost surely, 2^117120744665 is an apocalyptic number.

It is an amenable number.

117120744665 is a deficient number, since it is larger than the sum of its proper divisors (23424148939).

117120744665 is an equidigital number, since it uses as much as digits as its factorization.

117120744665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23424148938.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 117120744665 in words is "one hundred seventeen billion, one hundred twenty million, seven hundred forty-four thousand, six hundred sixty-five".