9000025500018 has 64 divisors (see below), whose sum is σ = 20697641395200. Its totient is φ = 2555714555712.

The previous prime is 9000025500001. The next prime is 9000025500041. The reversal of 9000025500018 is 8100055200009.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3500005 + ... + 5500007.

It is an arithmetic number, because the mean of its divisors is an integer number (323400646800).

Almost surely, 2^{9000025500018} is an apocalyptic number.

9000025500018 is an abundant number, since it is smaller than the sum of its proper divisors (11697615895182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9000025500018 is a wasteful number, since it uses less digits than its factorization.

9000025500018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000671.

The product of its (nonzero) digits is 3600, while the sum is 30.

The spelling of 9000025500018 in words is "nine trillion, twenty-five million, five hundred thousand, eighteen".