25325200000000 has 198 divisors, whose sum is σ = 63283052559998. Its totient is φ = 10129920000000.

The previous prime is 25325199999961. The next prime is 25325200000007. The reversal of 25325200000000 is 252352.

It can be written as a sum of positive squares in 9 ways, for example, as 13317478073344 + 12007721926656 = 3649312^2 + 3465216^2 .

It is not an unprimeable number, because it can be changed into a prime (25325200000007) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 399968344 + ... + 400031656.

Almost surely, 2^{25325200000000} is an apocalyptic number.

25325200000000 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 25325200000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31641526279999).

25325200000000 is an abundant number, since it is smaller than the sum of its proper divisors (37957852559998).

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

25325200000000 is an frugal number, since it uses more digits than its factorization.

25325200000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63373 (or 63320 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

Adding to 25325200000000 its reverse (252352), we get a palindrome (25325200252352).

The spelling of 25325200000000 in words is "twenty-five trillion, three hundred twenty-five billion, two hundred million", and thus it is an aban number.