117267515809 has 4 divisors (see below), whose sum is σ = 117302285716. Its totient is φ = 117232745904.

The previous prime is 117267515797. The next prime is 117267515831. The reversal of 117267515809 is 908515762711.

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 103746477409 + 13521038400 = 322097^2 + 116280^2 .

It is a cyclic number.

It is not a de Polignac number, because 117267515809 - 2¹⁷ = 117267384737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117267515509) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 17379894 + ... + 17386639.

It is an arithmetic number, because the mean of its divisors is an integer number (29325571429).

Almost surely, 2^117267515809 is an apocalyptic number.

It is an amenable number.

117267515809 is a deficient number, since it is larger than the sum of its proper divisors (34769907).

117267515809 is an equidigital number, since it uses as much as digits as its factorization.

117267515809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34769906.

The product of its (nonzero) digits is 1058400, while the sum is 52.

The spelling of 117267515809 in words is "one hundred seventeen billion, two hundred sixty-seven million, five hundred fifteen thousand, eight hundred nine".