25452254112 has 96 divisors (see below), whose sum is σ = 70557516288. Its totient is φ = 8017380096.

The previous prime is 25452254111. The next prime is 25452254117. The reversal of 25452254112 is 21145225452.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (25452254111) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113823 + ... + 252705.

It is an arithmetic number, because the mean of its divisors is an integer number (734974128).

Almost surely, 2^25452254112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25452254112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35278758144).

25452254112 is an abundant number, since it is smaller than the sum of its proper divisors (45105262176).

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

25452254112 is a wasteful number, since it uses less digits than its factorization.

25452254112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139002 (or 138994 counting only the distinct ones).

The product of its digits is 32000, while the sum is 33.

Adding to 25452254112 its reverse (21145225452), we get a palindrome (46597479564).

The spelling of 25452254112 in words is "twenty-five billion, four hundred fifty-two million, two hundred fifty-four thousand, one hundred twelve".