25091875008 has 224 divisors, whose sum is σ = 76001392320. Its totient is φ = 8111923200.

The previous prime is 25091874989. The next prime is 25091875031. The reversal of 25091875008 is 80057819052.

It is a happy number.

25091875008 is a `hidden beast` number, since 2 + 50 + 91 + 8 + 7 + 500 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38425210 + ... + 38425862.

It is an arithmetic number, because the mean of its divisors is an integer number (339291930).

Almost surely, 2^25091875008 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 25091875008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38000696160).

25091875008 is an abundant number, since it is smaller than the sum of its proper divisors (50909517312).

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

25091875008 is a wasteful number, since it uses less digits than its factorization.

25091875008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312 (or 1296 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The spelling of 25091875008 in words is "twenty-five billion, ninety-one million, eight hundred seventy-five thousand, eight".