18752064225 has 12 divisors (see below), whose sum is σ = 31003412976. Its totient is φ = 10001100880.

The previous prime is 18752064173. The next prime is 18752064293. The reversal of 18752064225 is 52246025781.

It is not a de Polignac number, because 18752064225 - 2⁶ = 18752064161 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 125013687 + ... + 125013836.

It is an arithmetic number, because the mean of its divisors is an integer number (2583617748).

Almost surely, 2^18752064225 is an apocalyptic number.

18752064225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18752064225 is a deficient number, since it is larger than the sum of its proper divisors (12251348751).

18752064225 is a wasteful number, since it uses less digits than its factorization.

18752064225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250027536 (or 250027531 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 18752064225 in words is "eighteen billion, seven hundred fifty-two million, sixty-four thousand, two hundred twenty-five".