117708252721 has 8 divisors (see below), whose sum is σ = 117798108800. Its totient is φ = 117618434640.

The previous prime is 117708252719. The next prime is 117708252733. The reversal of 117708252721 is 127252807711.

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 117708252721 - 2¹ = 117708252719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117708252521) 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, 9321550 + ... + 9334168.

It is an arithmetic number, because the mean of its divisors is an integer number (14724763600).

Almost surely, 2^117708252721 is an apocalyptic number.

It is an amenable number.

117708252721 is a deficient number, since it is larger than the sum of its proper divisors (89856079).

117708252721 is a wasteful number, since it uses less digits than its factorization.

117708252721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18999.

The product of its (nonzero) digits is 109760, while the sum is 43.

The spelling of 117708252721 in words is "one hundred seventeen billion, seven hundred eight million, two hundred fifty-two thousand, seven hundred twenty-one".