25532514317728 has 96 divisors (see below), whose sum is σ = 54942566499072. Its totient is φ = 11583338880000.

The previous prime is 25532514317719. The next prime is 25532514317809. The reversal of 25532514317728 is 82771341523552.

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 15 ways as a sum of consecutive naturals, for example, 458094150 + ... + 458149882.

It is an arithmetic number, because the mean of its divisors is an integer number (572318401032).

Almost surely, 2^{25532514317728} 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 25532514317728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27471283249536).

25532514317728 is an abundant number, since it is smaller than the sum of its proper divisors (29410052181344).

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

25532514317728 is a wasteful number, since it uses less digits than its factorization.

25532514317728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58238 (or 58230 counting only the distinct ones).

The product of its digits is 14112000, while the sum is 55.

The spelling of 25532514317728 in words is "twenty-five trillion, five hundred thirty-two billion, five hundred fourteen million, three hundred seventeen thousand, seven hundred twenty-eight".