25641028359 has 32 divisors (see below), whose sum is σ = 38649811200. Its totient is φ = 16795913760.

The previous prime is 25641028351. The next prime is 25641028363. The reversal of 25641028359 is 95382014652.

25641028359 is a `hidden beast` number, since 2 + 564 + 1 + 0 + 2 + 83 + 5 + 9 = 666.

It is not a de Polignac number, because 25641028359 - 2³ = 25641028351 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25641028351) by changing a digit.

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, 6374769 + ... + 6378789.

It is an arithmetic number, because the mean of its divisors is an integer number (1207806600).

Almost surely, 2^25641028359 is an apocalyptic number.

25641028359 is a deficient number, since it is larger than the sum of its proper divisors (13008782841).

25641028359 is a wasteful number, since it uses less digits than its factorization.

25641028359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8092 (or 8086 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 25641028359 in words is "twenty-five billion, six hundred forty-one million, twenty-eight thousand, three hundred fifty-nine".