117173309753809 has 4 divisors (see below), whose sum is σ = 124065857386404. Its totient is φ = 110280762121216.

The previous prime is 117173309753803. The next prime is 117173309753849. The reversal of 117173309753809 is 908357903371711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 105930512985025 + 11242796768784 = 10292255^2 + 3353028^2 .

It is a cyclic number.

It is not a de Polignac number, because 117173309753809 - 2⁵ = 117173309753777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117173309753803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3446273816272 + ... + 3446273816305.

It is an arithmetic number, because the mean of its divisors is an integer number (31016464346601).

Almost surely, 2^{117173309753809} is an apocalyptic number.

It is an amenable number.

117173309753809 is a deficient number, since it is larger than the sum of its proper divisors (6892547632595).

117173309753809 is an equidigital number, since it uses as much as digits as its factorization.

117173309753809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6892547632594.

The product of its (nonzero) digits is 30005640, while the sum is 64.

The spelling of 117173309753809 in words is "one hundred seventeen trillion, one hundred seventy-three billion, three hundred nine million, seven hundred fifty-three thousand, eight hundred nine".