117708512345 has 8 divisors (see below), whose sum is σ = 141982082376. Its totient is φ = 93678898176.

The previous prime is 117708512267. The next prime is 117708512347. The reversal of 117708512345 is 543215807711.

It can be written as a sum of positive squares in 4 ways, for example, as 1147041424 + 116561470921 = 33868^2 + 341411^2 .

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 117708512345 - 2²² = 117704318041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117708512296 and 117708512305.

It is not an unprimeable number, because it can be changed into a prime (117708512347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60987902 + ... + 60989831.

It is an arithmetic number, because the mean of its divisors is an integer number (17747760297).

Almost surely, 2^117708512345 is an apocalyptic number.

It is an amenable number.

117708512345 is a deficient number, since it is larger than the sum of its proper divisors (24273570031).

117708512345 is a wasteful number, since it uses less digits than its factorization.

117708512345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121977931.

The product of its (nonzero) digits is 235200, while the sum is 44.

The spelling of 117708512345 in words is "one hundred seventeen billion, seven hundred eight million, five hundred twelve thousand, three hundred forty-five".