25920604106 has 16 divisors (see below), whose sum is σ = 41944776264. Its totient is φ = 11967780864.

The previous prime is 25920604103. The next prime is 25920604109. The reversal of 25920604106 is 60140602952.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25920604103) and next prime (25920604109).

It can be written as a sum of positive squares in 4 ways, for example, as 22438542025 + 3482062081 = 149795^2 + 59009^2 .

It is not an unprimeable number, because it can be changed into a prime (25920604103) 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, 7190375 + ... + 7193978.

Almost surely, 2^25920604106 is an apocalyptic number.

25920604106 is a deficient number, since it is larger than the sum of its proper divisors (16024172158).

25920604106 is a wasteful number, since it uses less digits than its factorization.

25920604106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14384425.

The product of its (nonzero) digits is 25920, while the sum is 35.

The spelling of 25920604106 in words is "twenty-five billion, nine hundred twenty million, six hundred four thousand, one hundred six".