25600832081 has 8 divisors (see below), whose sum is σ = 27950378400. Its totient is φ = 23254985440.

The previous prime is 25600831967. The next prime is 25600832093. The reversal of 25600832081 is 18023800652.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25600832081 - 2¹⁰ = 25600831057 is a prime.

It is a super-2 number, since 2×25600832081² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25600832281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 910436 + ... + 938133.

It is an arithmetic number, because the mean of its divisors is an integer number (3493797300).

Almost surely, 2^25600832081 is an apocalyptic number.

It is an amenable number.

25600832081 is a deficient number, since it is larger than the sum of its proper divisors (2349546319).

25600832081 is a wasteful number, since it uses less digits than its factorization.

25600832081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1849839.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 25600832081 in words is "twenty-five billion, six hundred million, eight hundred thirty-two thousand, eighty-one".