117642116523 has 8 divisors (see below), whose sum is σ = 157079918736. Its totient is φ = 78316196000.

The previous prime is 117642116497. The next prime is 117642116533. The reversal of 117642116523 is 325611246711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117642116523 - 2¹⁶ = 117642050987 is a prime.

It is a super-2 number, since 2×117642116523² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (117642116533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27967968 + ... + 27972173.

It is an arithmetic number, because the mean of its divisors is an integer number (19634989842).

Almost surely, 2^117642116523 is an apocalyptic number.

117642116523 is a deficient number, since it is larger than the sum of its proper divisors (39437802213).

117642116523 is an equidigital number, since it uses as much as digits as its factorization.

117642116523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55940845.

The product of its digits is 60480, while the sum is 39.

The spelling of 117642116523 in words is "one hundred seventeen billion, six hundred forty-two million, one hundred sixteen thousand, five hundred twenty-three".