25522112399472 has 240 divisors, whose sum is σ = 77739059256768. Its totient is φ = 7769561886720.

The previous prime is 25522112399471. The next prime is 25522112399557. The reversal of 25522112399472 is 27499321122552.

25522112399472 is a `hidden beast` number, since 2 + 5 + 5 + 22 + 112 + 39 + 9 + 472 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25522112399471) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 211458822 + ... + 211579482.

Almost surely, 2^{25522112399472} 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 25522112399472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38869529628384).

25522112399472 is an abundant number, since it is smaller than the sum of its proper divisors (52216946857296).

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

25522112399472 is a wasteful number, since it uses less digits than its factorization.

25522112399472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121888 (or 121879 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 54.

The spelling of 25522112399472 in words is "twenty-five trillion, five hundred twenty-two billion, one hundred twelve million, three hundred ninety-nine thousand, four hundred seventy-two".