18027039011 has 16 divisors (see below), whose sum is σ = 18504948000. Its totient is φ = 17557337088.

The previous prime is 18027039001. The next prime is 18027039049. The reversal of 18027039011 is 11093072081.

It is a cyclic number.

It is not a de Polignac number, because 18027039011 - 2³⁰ = 16953297187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18027039001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1569656 + ... + 1581098.

It is an arithmetic number, because the mean of its divisors is an integer number (1156559250).

Almost surely, 2^18027039011 is an apocalyptic number.

18027039011 is a deficient number, since it is larger than the sum of its proper divisors (477908989).

18027039011 is a wasteful number, since it uses less digits than its factorization.

18027039011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11798.

The product of its (nonzero) digits is 3024, while the sum is 32.

The spelling of 18027039011 in words is "eighteen billion, twenty-seven million, thirty-nine thousand, eleven".