25613850125 has 32 divisors (see below), whose sum is σ = 33692630400. Its totient is φ = 19387152000.

The previous prime is 25613850047. The next prime is 25613850151. The reversal of 25613850125 is 52105831652.

It is not a de Polignac number, because 25613850125 - 2¹⁰ = 25613849101 is a prime.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 1914710 + ... + 1928040.

It is an arithmetic number, because the mean of its divisors is an integer number (1052894700).

Almost surely, 2^25613850125 is an apocalyptic number.

25613850125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25613850125 is a deficient number, since it is larger than the sum of its proper divisors (8078780275).

25613850125 is a wasteful number, since it uses less digits than its factorization.

25613850125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14174 (or 14164 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 25613850125 in words is "twenty-five billion, six hundred thirteen million, eight hundred fifty thousand, one hundred twenty-five".