117502171489 has 4 divisors (see below), whose sum is σ = 117507963924. Its totient is φ = 117496379056.

The previous prime is 117502171483. The next prime is 117502171517. The reversal of 117502171489 is 984171205711.

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 60528300625 + 56973870864 = 246025^2 + 238692^2 .

It is a cyclic number.

It is not a de Polignac number, because 117502171489 - 2³ = 117502171481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117502171481) 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, 2865682 + ... + 2906395.

It is an arithmetic number, because the mean of its divisors is an integer number (29376990981).

Almost surely, 2^117502171489 is an apocalyptic number.

It is an amenable number.

117502171489 is a deficient number, since it is larger than the sum of its proper divisors (5792435).

117502171489 is an equidigital number, since it uses as much as digits as its factorization.

117502171489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5792434.

The product of its (nonzero) digits is 141120, while the sum is 46.

The spelling of 117502171489 in words is "one hundred seventeen billion, five hundred two million, one hundred seventy-one thousand, four hundred eighty-nine".