25601062516 has 12 divisors (see below), whose sum is σ = 44944998532. Its totient is φ = 12759634368.

The previous prime is 25601062507. The next prime is 25601062541. The reversal of 25601062516 is 61526010652.

It can be written as a sum of positive squares in 2 ways, for example, as 6819456400 + 18781606116 = 82580^2 + 137046^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10222815 + ... + 10225318.

Almost surely, 2^25601062516 is an apocalyptic number.

It is an amenable number.

25601062516 is a deficient number, since it is larger than the sum of its proper divisors (19343936016).

25601062516 is a wasteful number, since it uses less digits than its factorization.

25601062516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20448450 (or 20448448 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 25601062516 in words is "twenty-five billion, six hundred one million, sixty-two thousand, five hundred sixteen".