117356172321 has 8 divisors (see below), whose sum is σ = 158360136480. Its totient is φ = 77294828192.

The previous prime is 117356172319. The next prime is 117356172343. The reversal of 117356172321 is 123271653711.

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 117356172321 - 2¹ = 117356172319 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117356172321.

It is not an unprimeable number, because it can be changed into a prime (117356174321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 235654716 + ... + 235655213.

It is an arithmetic number, because the mean of its divisors is an integer number (19795017060).

Almost surely, 2^117356172321 is an apocalyptic number.

It is an amenable number.

117356172321 is a deficient number, since it is larger than the sum of its proper divisors (41003964159).

117356172321 is an equidigital number, since it uses as much as digits as its factorization.

117356172321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471310015.

The product of its digits is 52920, while the sum is 39.

The spelling of 117356172321 in words is "one hundred seventeen billion, three hundred fifty-six million, one hundred seventy-two thousand, three hundred twenty-one".