18715000925 has 12 divisors (see below), whose sum is σ = 23644463220. Its totient is φ = 14689509120.

The previous prime is 18715000921. The next prime is 18715000943. The reversal of 18715000925 is 52900051781.

It can be written as a sum of positive squares in 6 ways, for example, as 13344409 + 18701656516 = 3653^2 + 136754^2 .

It is not a de Polignac number, because 18715000925 - 2² = 18715000921 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18715000921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7060940 + ... + 7063589.

It is an arithmetic number, because the mean of its divisors is an integer number (1970371935).

Almost surely, 2^18715000925 is an apocalyptic number.

It is an amenable number.

18715000925 is a deficient number, since it is larger than the sum of its proper divisors (4929462295).

18715000925 is a wasteful number, since it uses less digits than its factorization.

18715000925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14124592 (or 14124587 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 38.

The spelling of 18715000925 in words is "eighteen billion, seven hundred fifteen million, nine hundred twenty-five", and thus it is an aban number.