25555084427325 has 48 divisors (see below), whose sum is σ = 44342920978560. Its totient is φ = 12961439335680.

The previous prime is 25555084427311. The next prime is 25555084427329. The reversal of 25555084427325 is 52372448055552.

It is a happy number.

It is not a de Polignac number, because 25555084427325 - 2⁶ = 25555084427261 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25555084427329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 42518170 + ... + 43115019.

It is an arithmetic number, because the mean of its divisors is an integer number (923810853720).

Almost surely, 2^{25555084427325} is an apocalyptic number.

25555084427325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25555084427325 is a deficient number, since it is larger than the sum of its proper divisors (18787836551235).

25555084427325 is a wasteful number, since it uses less digits than its factorization.

25555084427325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85633398 (or 85633393 counting only the distinct ones).

The product of its (nonzero) digits is 67200000, while the sum is 57.

The spelling of 25555084427325 in words is "twenty-five trillion, five hundred fifty-five billion, eighty-four million, four hundred twenty-seven thousand, three hundred twenty-five".