117018589 has 2 divisors, whose sum is σ = 117018590. Its totient is φ = 117018588.

The previous prime is 117018571. The next prime is 117018593. The reversal of 117018589 is 985810711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67076100 + 49942489 = 8190^2 + 7067^2 .

It is a cyclic number.

It is not a de Polignac number, because 117018589 - 2¹¹ = 117016541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117018289) 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, 58509294 + 58509295.

It is an arithmetic number, because the mean of its divisors is an integer number (58509295).

Almost surely, 2^117018589 is an apocalyptic number.

It is an amenable number.

117018589 is a deficient number, since it is larger than the sum of its proper divisors (1).

117018589 is an equidigital number, since it uses as much as digits as its factorization.

117018589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20160, while the sum is 40.

The square root of 117018589 is about 10817.5130690931. The cubic root of 117018589 is about 489.1232259292.

The spelling of 117018589 in words is "one hundred seventeen million, eighteen thousand, five hundred eighty-nine".