117515748479 has 8 divisors (see below), whose sum is σ = 124444972080. Its totient is φ = 110588361856.

The previous prime is 117515748463. The next prime is 117515748503. The reversal of 117515748479 is 974847515711.

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 117515748479 - 2⁴ = 117515748463 is a prime.

It is a super-2 number, since 2×117515748479² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117515748439) 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, 326429 + ... + 584454.

It is an arithmetic number, because the mean of its divisors is an integer number (15555621510).

Almost surely, 2^117515748479 is an apocalyptic number.

117515748479 is a deficient number, since it is larger than the sum of its proper divisors (6929223601).

117515748479 is an equidigital number, since it uses as much as digits as its factorization.

117515748479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918489.

The product of its digits is 9878400, while the sum is 59.

The spelling of 117515748479 in words is "one hundred seventeen billion, five hundred fifteen million, seven hundred forty-eight thousand, four hundred seventy-nine".