25609705601 has 8 divisors (see below), whose sum is σ = 25852392864. Its totient is φ = 25367080480.

The previous prime is 25609705547. The next prime is 25609705651. The reversal of 25609705601 is 10650790652.

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 25609705601 - 2¹⁰ = 25609704577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25609705651) 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 7 ways as a sum of consecutive naturals, for example, 1585301 + ... + 1601373.

It is an arithmetic number, because the mean of its divisors is an integer number (3231549108).

Almost surely, 2^25609705601 is an apocalyptic number.

It is an amenable number.

25609705601 is a deficient number, since it is larger than the sum of its proper divisors (242687263).

25609705601 is a wasteful number, since it uses less digits than its factorization.

25609705601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31071.

The product of its (nonzero) digits is 113400, while the sum is 41.

The spelling of 25609705601 in words is "twenty-five billion, six hundred nine million, seven hundred five thousand, six hundred one".