25585130338548 has 48 divisors (see below), whose sum is σ = 68553459287040. Its totient is φ = 7345013493600.

The previous prime is 25585130338519. The next prime is 25585130338591. The reversal of 25585130338548 is 84583303158552.

It is a junction number, because it is equal to n+sod(n) for n = 25585130338491 and 25585130338500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5100701308 + ... + 5100706323.

It is an arithmetic number, because the mean of its divisors is an integer number (1428197068480).

Almost surely, 2^{25585130338548} is an apocalyptic number.

It is an amenable number.

25585130338548 is an abundant number, since it is smaller than the sum of its proper divisors (42968328948492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25585130338548 is a wasteful number, since it uses less digits than its factorization.

25585130338548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10201407668 (or 10201407666 counting only the distinct ones).

The product of its (nonzero) digits is 69120000, while the sum is 60.

The spelling of 25585130338548 in words is "twenty-five trillion, five hundred eighty-five billion, one hundred thirty million, three hundred thirty-eight thousand, five hundred forty-eight".