25223135132000 has 384 divisors, whose sum is σ = 70404791708160. Its totient is φ = 8803937433600.

The previous prime is 25223135131949. The next prime is 25223135132017. The reversal of 25223135132000 is 23153132252.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 461368667 + ... + 461423333.

It is an arithmetic number, because the mean of its divisors is an integer number (183345811740).

Almost surely, 2^{25223135132000} is an apocalyptic number.

25223135132000 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 25223135132000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35202395854080).

25223135132000 is an abundant number, since it is smaller than the sum of its proper divisors (45181656576160).

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

25223135132000 is a wasteful number, since it uses less digits than its factorization.

25223135132000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55191 (or 55173 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 25223135132000 its reverse (23153132252), we get a palindrome (25246288264252).

The spelling of 25223135132000 in words is "twenty-five trillion, two hundred twenty-three billion, one hundred thirty-five million, one hundred thirty-two thousand".