18524850225 has 96 divisors (see below), whose sum is σ = 35584389120. Its totient is φ = 8328752640.

The previous prime is 18524850163. The next prime is 18524850269. The reversal of 18524850225 is 52205842581.

It is not a de Polignac number, because 18524850225 - 2⁹ = 18524849713 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12980962 + ... + 12982388.

It is an arithmetic number, because the mean of its divisors is an integer number (370670720).

Almost surely, 2^18524850225 is an apocalyptic number.

18524850225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18524850225 is a deficient number, since it is larger than the sum of its proper divisors (17059538895).

18524850225 is a wasteful number, since it uses less digits than its factorization.

18524850225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839 (or 1834 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 42.

The spelling of 18524850225 in words is "eighteen billion, five hundred twenty-four million, eight hundred fifty thousand, two hundred twenty-five".