25532205798528 has 384 divisors, whose sum is σ = 89100677352960. Its totient is φ = 6911491276800.

The previous prime is 25532205798433. The next prime is 25532205798551. The reversal of 25532205798528 is 82589750223552.

It is a happy number.

25532205798528 is a `hidden beast` number, since 2 + 5 + 5 + 3 + 2 + 2 + 0 + 579 + 8 + 52 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×25532205798528² (a number of 28 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 2607000 + ... + 7606632.

It is an arithmetic number, because the mean of its divisors is an integer number (232033013940).

Almost surely, 2^{25532205798528} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25532205798528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44550338676480).

25532205798528 is an abundant number, since it is smaller than the sum of its proper divisors (63568471554432).

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

25532205798528 is a wasteful number, since it uses less digits than its factorization.

25532205798528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4999708 (or 4999693 counting only the distinct ones).

The product of its (nonzero) digits is 120960000, while the sum is 63.

The spelling of 25532205798528 in words is "twenty-five trillion, five hundred thirty-two billion, two hundred five million, seven hundred ninety-eight thousand, five hundred twenty-eight".