25825525000 has 96 divisors (see below), whose sum is σ = 66027648960. Its totient is φ = 9391000000.

The previous prime is 25825524971. The next prime is 25825525013. The reversal of 25825525000 is 52552852.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 228045 + ... + 321955.

It is an arithmetic number, because the mean of its divisors is an integer number (687788010).

Almost surely, 2^25825525000 is an apocalyptic number.

25825525000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25825525000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33013824480).

25825525000 is an abundant number, since it is smaller than the sum of its proper divisors (40202123960).

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

25825525000 is an equidigital number, since it uses as much as digits as its factorization.

25825525000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93953 (or 93929 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 25825525000 in words is "twenty-five billion, eight hundred twenty-five million, five hundred twenty-five thousand".