25448825360016 has 50 divisors (see below), whose sum is σ = 73656283896822. Its totient is φ = 8482941786240.

The previous prime is 25448825359987. The next prime is 25448825360089. The reversal of 25448825360016 is 61006352884452.

25448825360016 is a `hidden beast` number, since 2 + 5 + 4 + 4 + 8 + 8 + 25 + 3 + 600 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 23453680410000 + 1995144950016 = 4842900^2 + 1412496^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9818218365 + ... + 9818220956.

Almost surely, 2^{25448825360016} is an apocalyptic number.

It is an amenable number.

25448825360016 is an abundant number, since it is smaller than the sum of its proper divisors (48207458536806).

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

25448825360016 is a wasteful number, since it uses less digits than its factorization.

25448825360016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19636439341 (or 19636439326 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 54.

The spelling of 25448825360016 in words is "twenty-five trillion, four hundred forty-eight billion, eight hundred twenty-five million, three hundred sixty thousand, sixteen".