25503252322000 has 160 divisors (see below), whose sum is σ = 64960106215680. Its totient is φ = 9657300902400.

The previous prime is 25503252321991. The next prime is 25503252322001. The reversal of 25503252322000 is 22325230552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25503252322001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51700522 + ... + 52191478.

It is an arithmetic number, because the mean of its divisors is an integer number (406000663848).

Almost surely, 2^{25503252322000} is an apocalyptic number.

25503252322000 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 25503252322000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32480053107840).

25503252322000 is an abundant number, since it is smaller than the sum of its proper divisors (39456853893680).

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

25503252322000 is a wasteful number, since it uses less digits than its factorization.

25503252322000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492366 (or 492350 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 31.

Adding to 25503252322000 its reverse (22325230552), we get a palindrome (25525577552552).

The spelling of 25503252322000 in words is "twenty-five trillion, five hundred three billion, two hundred fifty-two million, three hundred twenty-two thousand".