25304378112 has 216 divisors, whose sum is σ = 79051700000. Its totient is φ = 7784404992.

The previous prime is 25304378003. The next prime is 25304378117. The reversal of 25304378112 is 21187340352.

25304378112 is a `hidden beast` number, since 2 + 530 + 4 + 3 + 7 + 8 + 112 = 666.

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 (25304378117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5059389 + ... + 5064387.

Almost surely, 2^25304378112 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 25304378112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39525850000).

25304378112 is an abundant number, since it is smaller than the sum of its proper divisors (53747321888).

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

25304378112 is an equidigital number, since it uses as much as digits as its factorization.

25304378112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060 (or 5017 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 25304378112 in words is "twenty-five billion, three hundred four million, three hundred seventy-eight thousand, one hundred twelve".