18316755025 has 24 divisors (see below), whose sum is σ = 23119948800. Its totient is φ = 14391192000.

The previous prime is 18316754999. The next prime is 18316755049. The reversal of 18316755025 is 52055761381.

It is a happy number.

It is not a de Polignac number, because 18316755025 - 2¹¹ = 18316752977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1692331 + ... + 1703119.

It is an arithmetic number, because the mean of its divisors is an integer number (963331200).

Almost surely, 2^18316755025 is an apocalyptic number.

It is an amenable number.

18316755025 is a deficient number, since it is larger than the sum of its proper divisors (4803193775).

18316755025 is a wasteful number, since it uses less digits than its factorization.

18316755025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12009 (or 12004 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 43.

The spelling of 18316755025 in words is "eighteen billion, three hundred sixteen million, seven hundred fifty-five thousand, twenty-five".