25803508068 has 288 divisors, whose sum is σ = 79174717440. Its totient is φ = 7276936320.

The previous prime is 25803508057. The next prime is 25803508121. The reversal of 25803508068 is 86080530852.

It is a happy number.

25803508068 is a `hidden beast` number, since 2 + 5 + 80 + 3 + 508 + 0 + 68 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7440871 + ... + 7444337.

Almost surely, 2^25803508068 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 25803508068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39587358720).

25803508068 is an abundant number, since it is smaller than the sum of its proper divisors (53371209372).

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

25803508068 is a wasteful number, since it uses less digits than its factorization.

25803508068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549 (or 3535 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The spelling of 25803508068 in words is "twenty-five billion, eight hundred three million, five hundred eight thousand, sixty-eight".