117563954721 has 8 divisors (see below), whose sum is σ = 156778928640. Its totient is φ = 78362475312.

The previous prime is 117563954719. The next prime is 117563954839. The reversal of 117563954721 is 127459365711.

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

It is not a de Polignac number, because 117563954721 - 2¹ = 117563954719 is a prime.

It is not an unprimeable number, because it can be changed into a prime (117563956721) 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, 3353281 + ... + 3388158.

It is an arithmetic number, because the mean of its divisors is an integer number (19597366080).

Almost surely, 2^117563954721 is an apocalyptic number.

It is an amenable number.

117563954721 is a deficient number, since it is larger than the sum of its proper divisors (39214973919).

117563954721 is an equidigital number, since it uses as much as digits as its factorization.

117563954721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6747255.

The product of its digits is 1587600, while the sum is 51.

The spelling of 117563954721 in words is "one hundred seventeen billion, five hundred sixty-three million, nine hundred fifty-four thousand, seven hundred twenty-one".