117311730065 has 8 divisors (see below), whose sum is σ = 140809109928. Its totient is φ = 93826028160.

The previous prime is 117311730049. The next prime is 117311730089. The reversal of 117311730065 is 560037113711.

It is a Cunningham number, because it is equal to 342508²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 6954225664 + 110357504401 = 83392^2 + 332201^2 .

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

It is not a de Polignac number, because 117311730065 - 2⁴ = 117311730049 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2897372 + ... + 2937581.

It is an arithmetic number, because the mean of its divisors is an integer number (17601138741).

Almost surely, 2^117311730065 is an apocalyptic number.

It is an amenable number.

117311730065 is a deficient number, since it is larger than the sum of its proper divisors (23497379863).

117311730065 is an equidigital number, since it uses as much as digits as its factorization.

117311730065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5838979.

The product of its (nonzero) digits is 13230, while the sum is 35.

Adding to 117311730065 its reverse (560037113711), we get a palindrome (677348843776).

The spelling of 117311730065 in words is "one hundred seventeen billion, three hundred eleven million, seven hundred thirty thousand, sixty-five".