25043104056 has 128 divisors (see below), whose sum is σ = 68257728000. Its totient is φ = 7625502720.

The previous prime is 25043104001. The next prime is 25043104063. The reversal of 25043104056 is 65040134052.

It is a super-2 number, since 2×25043104056² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 3325111 + ... + 3332633.

It is an arithmetic number, because the mean of its divisors is an integer number (533263500).

Almost surely, 2^25043104056 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 25043104056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34128864000).

25043104056 is an abundant number, since it is smaller than the sum of its proper divisors (43214623944).

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

25043104056 is a wasteful number, since it uses less digits than its factorization.

25043104056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7789 (or 7785 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 25043104056 in words is "twenty-five billion, forty-three million, one hundred four thousand, fifty-six".