25606105604 has 24 divisors (see below), whose sum is σ = 46717957440. Its totient is φ = 12269353824.

The previous prime is 25606105571. The next prime is 25606105639. The reversal of 25606105604 is 40650160652.

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 7 ways as a sum of consecutive naturals, for example, 1395344 + ... + 1413575.

It is an arithmetic number, because the mean of its divisors is an integer number (1946581560).

Almost surely, 2^25606105604 is an apocalyptic number.

It is an amenable number.

25606105604 is a deficient number, since it is larger than the sum of its proper divisors (21111851836).

25606105604 is a wasteful number, since it uses less digits than its factorization.

25606105604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2809019 (or 2809017 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 25606105604 in words is "twenty-five billion, six hundred six million, one hundred five thousand, six hundred four".