25496789712 has 80 divisors (see below), whose sum is σ = 67554926208. Its totient is φ = 8283225600.

The previous prime is 25496789707. The next prime is 25496789713. The reversal of 25496789712 is 21798769452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25496789713) 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 15 ways as a sum of consecutive naturals, for example, 350958 + ... + 417330.

Almost surely, 2^25496789712 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 25496789712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33777463104).

25496789712 is an abundant number, since it is smaller than the sum of its proper divisors (42058136496).

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

25496789712 is a wasteful number, since it uses less digits than its factorization.

25496789712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66588 (or 66582 counting only the distinct ones).

The product of its digits is 15240960, while the sum is 60.

The spelling of 25496789712 in words is "twenty-five billion, four hundred ninety-six million, seven hundred eighty-nine thousand, seven hundred twelve".