117013500809 has 2 divisors, whose sum is σ = 117013500810. Its totient is φ = 117013500808.

The previous prime is 117013500803. The next prime is 117013500827. The reversal of 117013500809 is 908005310711.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109776255625 + 7237245184 = 331325^2 + 85072^2 .

It is a cyclic number.

It is not a de Polignac number, because 117013500809 - 2¹² = 117013496713 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (117013500803) 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 as a sum of consecutive naturals, namely, 58506750404 + 58506750405.

It is an arithmetic number, because the mean of its divisors is an integer number (58506750405).

Almost surely, 2^117013500809 is an apocalyptic number.

It is an amenable number.

117013500809 is a deficient number, since it is larger than the sum of its proper divisors (1).

117013500809 is an equidigital number, since it uses as much as digits as its factorization.

117013500809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 35.

The spelling of 117013500809 in words is "one hundred seventeen billion, thirteen million, five hundred thousand, eight hundred nine".