117044509 has 2 divisors, whose sum is σ = 117044510. Its totient is φ = 117044508.

The previous prime is 117044471. The next prime is 117044513. The reversal of 117044509 is 905440711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73444900 + 43599609 = 8570^2 + 6603^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-117044509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117044519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58522254 + 58522255.

It is an arithmetic number, because the mean of its divisors is an integer number (58522255).

Almost surely, 2^117044509 is an apocalyptic number.

It is an amenable number.

117044509 is a deficient number, since it is larger than the sum of its proper divisors (1).

117044509 is an equidigital number, since it uses as much as digits as its factorization.

117044509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 117044509 is about 10818.7110600108. The cubic root of 117044509 is about 489.1593373943.

The spelling of 117044509 in words is "one hundred seventeen million, forty-four thousand, five hundred nine".