25445224112 has 240 divisors, whose sum is σ = 63949906944. Its totient is φ = 9696960000.

The previous prime is 25445224039. The next prime is 25445224117. The reversal of 25445224112 is 21142254452.

It is not an unprimeable number, because it can be changed into a prime (25445224117) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 114104033 + ... + 114104255.

Almost surely, 2^25445224112 is an apocalyptic number.

25445224112 is a gapful number since it is divisible by the number (22) 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 25445224112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31974953472).

25445224112 is an abundant number, since it is smaller than the sum of its proper divisors (38504682832).

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

25445224112 is a wasteful number, since it uses less digits than its factorization.

25445224112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488 (or 475 counting only the distinct ones).

The product of its digits is 25600, while the sum is 32.

Adding to 25445224112 its reverse (21142254452), we get a palindrome (46587478564).

The spelling of 25445224112 in words is "twenty-five billion, four hundred forty-five million, two hundred twenty-four thousand, one hundred twelve".