25510530328 has 16 divisors (see below), whose sum is σ = 48546159480. Its totient is φ = 12564887808.

The previous prime is 25510530317. The next prime is 25510530371. The reversal of 25510530328 is 82303501552.

It is a junction number, because it is equal to n+sod(n) for n = 25510530293 and 25510530302.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 23796601 + ... + 23797672.

Almost surely, 2^25510530328 is an apocalyptic number.

It is an amenable number.

25510530328 is a deficient number, since it is larger than the sum of its proper divisors (23035629152).

25510530328 is a wasteful number, since it uses less digits than its factorization.

25510530328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47594346 (or 47594342 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 25510530328 in words is "twenty-five billion, five hundred ten million, five hundred thirty thousand, three hundred twenty-eight".