25056085308 has 96 divisors (see below), whose sum is σ = 62676633600. Its totient is φ = 7766875584.

The previous prime is 25056085279. The next prime is 25056085309. The reversal of 25056085308 is 80358065052.

It is a self number, because there is not a number n which added to its sum of digits gives 25056085308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25056085309) 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 31 ways as a sum of consecutive naturals, for example, 16451035 + ... + 16452557.

It is an arithmetic number, because the mean of its divisors is an integer number (652881600).

Almost surely, 2^25056085308 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 25056085308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31338316800).

25056085308 is an abundant number, since it is smaller than the sum of its proper divisors (37620548292).

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

25056085308 is a wasteful number, since it uses less digits than its factorization.

25056085308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831 (or 2829 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 42.

The spelling of 25056085308 in words is "twenty-five billion, fifty-six million, eighty-five thousand, three hundred eight".