18039125254 has 16 divisors (see below), whose sum is σ = 27102532608. Its totient is φ = 9004961992.

The previous prime is 18039125243. The next prime is 18039125257. The reversal of 18039125254 is 45252193081.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18039125257) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4368939 + ... + 4373065.

It is an arithmetic number, because the mean of its divisors is an integer number (1693908288).

Almost surely, 2^18039125254 is an apocalyptic number.

18039125254 is a deficient number, since it is larger than the sum of its proper divisors (9063407354).

18039125254 is a wasteful number, since it uses less digits than its factorization.

18039125254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7139.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 18039125254 in words is "eighteen billion, thirty-nine million, one hundred twenty-five thousand, two hundred fifty-four".