18118580759 has 4 divisors (see below), whose sum is σ = 18119360280. Its totient is φ = 18117801240.

The previous prime is 18118580741. The next prime is 18118580783. The reversal of 18118580759 is 95708581181.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95708581181 = 881 ⋅108636301.

It is a cyclic number.

It is not a de Polignac number, because 18118580759 - 2⁸ = 18118580503 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18118580759.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18118589759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353789 + ... + 401750.

It is an arithmetic number, because the mean of its divisors is an integer number (4529840070).

Almost surely, 2^18118580759 is an apocalyptic number.

18118580759 is a deficient number, since it is larger than the sum of its proper divisors (779521).

18118580759 is an equidigital number, since it uses as much as digits as its factorization.

18118580759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779520.

The product of its (nonzero) digits is 806400, while the sum is 53.

The spelling of 18118580759 in words is "eighteen billion, one hundred eighteen million, five hundred eighty thousand, seven hundred fifty-nine".