25120224000 has 216 divisors, whose sum is σ = 90390928992. Its totient is φ = 6698649600.

The previous prime is 25120223987. The next prime is 25120224037. The reversal of 25120224000 is 42202152.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 244389 + ... + 331611.

Almost surely, 2^25120224000 is an apocalyptic number.

25120224000 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 25120224000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45195464496).

25120224000 is an abundant number, since it is smaller than the sum of its proper divisors (65270704992).

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

25120224000 is an equidigital number, since it uses as much as digits as its factorization.

25120224000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87260 (or 87233 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

Adding to 25120224000 its reverse (42202152), we get a palindrome (25162426152).

The spelling of 25120224000 in words is "twenty-five billion, one hundred twenty million, two hundred twenty-four thousand".