18683380125 has 48 divisors (see below), whose sum is σ = 35144299008. Its totient is φ = 9531218400.

The previous prime is 18683380087. The next prime is 18683380147. The reversal of 18683380125 is 52108338681.

18683380125 is a `hidden beast` number, since 186 + 83 + 380 + 12 + 5 = 666.

It is not a de Polignac number, because 18683380125 - 2⁷ = 18683379997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 335157 + ... + 386906.

It is an arithmetic number, because the mean of its divisors is an integer number (732172896).

Almost surely, 2^18683380125 is an apocalyptic number.

18683380125 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18683380125 is a deficient number, since it is larger than the sum of its proper divisors (16460918883).

18683380125 is a wasteful number, since it uses less digits than its factorization.

18683380125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722107 (or 722094 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 18683380125 in words is "eighteen billion, six hundred eighty-three million, three hundred eighty thousand, one hundred twenty-five".