25012500125 has 32 divisors (see below), whose sum is σ = 32880556800. Its totient is φ = 18944136000.

The previous prime is 25012500119. The next prime is 25012500143. The reversal of 25012500125 is 52100521052.

It is not a de Polignac number, because 25012500125 - 2¹⁶ = 25012434589 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 25012500125.

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, 5082416 + ... + 5087334.

It is an arithmetic number, because the mean of its divisors is an integer number (1027517400).

Almost surely, 2^25012500125 is an apocalyptic number.

25012500125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25012500125 is a deficient number, since it is larger than the sum of its proper divisors (7868056675).

25012500125 is a wasteful number, since it uses less digits than its factorization.

25012500125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7094 (or 7084 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The spelling of 25012500125 in words is "twenty-five billion, twelve million, five hundred thousand, one hundred twenty-five".