25622618112 has 896 divisors, whose sum is σ = 99818342400. Its totient is φ = 6306398208.

The previous prime is 25622618111. The next prime is 25622618113. The reversal of 25622618112 is 21181622652.

25622618112 is a `hidden beast` number, since 2 + 5 + 6 + 22 + 618 + 1 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (25622618111) and next prime (25622618113).

It is a tau number, because it is divible by the number of its divisors (896).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25622618111) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 382427103 + ... + 382427169.

It is an arithmetic number, because the mean of its divisors is an integer number (111404400).

Almost surely, 2^25622618112 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 25622618112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49909171200).

25622618112 is an abundant number, since it is smaller than the sum of its proper divisors (74195724288).

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

25622618112 is a wasteful number, since it uses less digits than its factorization.

25622618112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 111 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The spelling of 25622618112 in words is "twenty-five billion, six hundred twenty-two million, six hundred eighteen thousand, one hundred twelve".