25445112000 has 896 divisors, whose sum is σ = 107270092800. Its totient is φ = 5268480000.

The previous prime is 25445111987. The next prime is 25445112001. The reversal of 25445112000 is 21154452.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (25445112001) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 90551860 + ... + 90552140.

Almost surely, 2^25445112000 is an apocalyptic number.

25445112000 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 25445112000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53635046400).

25445112000 is an abundant number, since it is smaller than the sum of its proper divisors (81824980800).

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

25445112000 is a wasteful number, since it uses less digits than its factorization.

25445112000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 25445112000 its reverse (21154452), we get a palindrome (25466266452).

The spelling of 25445112000 in words is "twenty-five billion, four hundred forty-five million, one hundred twelve thousand".