25120224000000 has 504 divisors, whose sum is σ = 90689652438840. Its totient is φ = 6698649600000.

The previous prime is 25120223999977. The next prime is 25120224000019. The reversal of 25120224000000 is 42202152.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 41 ways as a sum of consecutive naturals, for example, 287956389 + ... + 288043611.

It is an arithmetic number, because the mean of its divisors is an integer number (179939786585).

Almost surely, 2^{25120224000000} is an apocalyptic number.

25120224000000 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 25120224000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45344826219420).

25120224000000 is an abundant number, since it is smaller than the sum of its proper divisors (65569428438840).

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

25120224000000 is an frugal number, since it uses more digits than its factorization.

25120224000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87281 (or 87233 counting only the distinct ones).

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

Adding to 25120224000000 its reverse (42202152), we get a palindrome (25120266202152).

The spelling of 25120224000000 in words is "twenty-five trillion, one hundred twenty billion, two hundred twenty-four million", and thus it is an aban number.