25855903142925 has 12 divisors (see below), whose sum is σ = 42748426529760. Its totient is φ = 13789815009520.

The previous prime is 25855903142903. The next prime is 25855903142977. The reversal of 25855903142925 is 52924130955852.

It is not a de Polignac number, because 25855903142925 - 2¹² = 25855903138829 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 11 ways as a sum of consecutive naturals, for example, 172372687545 + ... + 172372687694.

It is an arithmetic number, because the mean of its divisors is an integer number (3562368877480).

Almost surely, 2^{25855903142925} is an apocalyptic number.

25855903142925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25855903142925 is a deficient number, since it is larger than the sum of its proper divisors (16892523386835).

25855903142925 is a wasteful number, since it uses less digits than its factorization.

25855903142925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344745375252 (or 344745375247 counting only the distinct ones).

The product of its (nonzero) digits is 38880000, while the sum is 60.

The spelling of 25855903142925 in words is "twenty-five trillion, eight hundred fifty-five billion, nine hundred three million, one hundred forty-two thousand, nine hundred twenty-five".