18052613109 has 12 divisors (see below), whose sum is σ = 26212522752. Its totient is φ = 11972063400.

The previous prime is 18052613107. The next prime is 18052613153. The reversal of 18052613109 is 90131625081.

18052613109 is a `hidden beast` number, since 1 + 80 + 5 + 261 + 310 + 9 = 666.

It is not a de Polignac number, because 18052613109 - 2¹ = 18052613107 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18052613107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5249187 + ... + 5252624.

It is an arithmetic number, because the mean of its divisors is an integer number (2184376896).

Almost surely, 2^18052613109 is an apocalyptic number.

It is an amenable number.

18052613109 is a deficient number, since it is larger than the sum of its proper divisors (8159909643).

18052613109 is a wasteful number, since it uses less digits than its factorization.

18052613109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10502008 (or 10502005 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

The spelling of 18052613109 in words is "eighteen billion, fifty-two million, six hundred thirteen thousand, one hundred nine".