117288901285 has 8 divisors (see below), whose sum is σ = 144550646136. Its totient is φ = 91295144640.

The previous prime is 117288901241. The next prime is 117288901321. The reversal of 117288901285 is 582109882711.

It can be written as a sum of positive squares in 4 ways, for example, as 36995444964 + 80293456321 = 192342^2 + 283361^2 .

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

It is not a de Polignac number, because 117288901285 - 2⁷ = 117288901157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 316996846 + ... + 316997215.

It is an arithmetic number, because the mean of its divisors is an integer number (18068830767).

Almost surely, 2^117288901285 is an apocalyptic number.

It is an amenable number.

117288901285 is a deficient number, since it is larger than the sum of its proper divisors (27261744851).

117288901285 is an equidigital number, since it uses as much as digits as its factorization.

117288901285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633994103.

The product of its (nonzero) digits is 645120, while the sum is 52.

The spelling of 117288901285 in words is "one hundred seventeen billion, two hundred eighty-eight million, nine hundred one thousand, two hundred eighty-five".