117966559409 has 16 divisors (see below), whose sum is σ = 126225489600. Its totient is φ = 109854849024.

The previous prime is 117966559391. The next prime is 117966559411. The reversal of 117966559409 is 904955669711.

It is a cyclic number.

It is not a de Polignac number, because 117966559409 - 2⁸ = 117966559153 is a prime.

It is a super-2 number, since 2×117966559409² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117966559499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9523382 + ... + 9535760.

It is an arithmetic number, because the mean of its divisors is an integer number (7889093100).

Almost surely, 2^117966559409 is an apocalyptic number.

It is an amenable number.

117966559409 is a deficient number, since it is larger than the sum of its proper divisors (8258930191).

117966559409 is a wasteful number, since it uses less digits than its factorization.

117966559409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18272.

The product of its (nonzero) digits is 18370800, while the sum is 62.

The spelling of 117966559409 in words is "one hundred seventeen billion, nine hundred sixty-six million, five hundred fifty-nine thousand, four hundred nine".