18788643282125 has 32 divisors (see below), whose sum is σ = 23627599257600. Its totient is φ = 14916326832000.

The previous prime is 18788643282083. The next prime is 18788643282151. The reversal of 18788643282125 is 52128234688781.

It is not a de Polignac number, because 18788643282125 - 2⁶ = 18788643282061 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8541065 + ... + 10513185.

It is an arithmetic number, because the mean of its divisors is an integer number (738362476800).

Almost surely, 2^{18788643282125} is an apocalyptic number.

It is an amenable number.

18788643282125 is a deficient number, since it is larger than the sum of its proper divisors (4838955975475).

18788643282125 is a wasteful number, since it uses less digits than its factorization.

18788643282125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1972718 (or 1972708 counting only the distinct ones).

The product of its digits is 82575360, while the sum is 65.

The spelling of 18788643282125 in words is "eighteen trillion, seven hundred eighty-eight billion, six hundred forty-three million, two hundred eighty-two thousand, one hundred twenty-five".