118292591009 has 2 divisors, whose sum is σ = 118292591010. Its totient is φ = 118292591008.

The previous prime is 118292590981. The next prime is 118292591041. The reversal of 118292591009 is 900195292811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100577779600 + 17714811409 = 317140^2 + 133097^2 .

It is a cyclic number.

It is not a de Polignac number, because 118292591009 - 2¹⁶ = 118292525473 is a prime.

It is not a weakly prime, because it can be changed into another prime (118292591609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59146295504 + 59146295505.

It is an arithmetic number, because the mean of its divisors is an integer number (59146295505).

Almost surely, 2^118292591009 is an apocalyptic number.

It is an amenable number.

118292591009 is a deficient number, since it is larger than the sum of its proper divisors (1).

118292591009 is an equidigital number, since it uses as much as digits as its factorization.

118292591009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116640, while the sum is 47.

The spelling of 118292591009 in words is "one hundred eighteen billion, two hundred ninety-two million, five hundred ninety-one thousand, nine".