25632516116 has 12 divisors (see below), whose sum is σ = 45023659380. Its totient is φ = 12768613440.

The previous prime is 25632516103. The next prime is 25632516127. The reversal of 25632516116 is 61161523652.

It can be written as a sum of positive squares in 2 ways, for example, as 935136400 + 24697379716 = 30580^2 + 157154^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25632516116.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 11909945 + ... + 11912096.

It is an arithmetic number, because the mean of its divisors is an integer number (3751971615).

Almost surely, 2^25632516116 is an apocalyptic number.

It is an amenable number.

25632516116 is a deficient number, since it is larger than the sum of its proper divisors (19391143264).

25632516116 is a wasteful number, since it uses less digits than its factorization.

25632516116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23822314 (or 23822312 counting only the distinct ones).

The product of its digits is 64800, while the sum is 38.

The spelling of 25632516116 in words is "twenty-five billion, six hundred thirty-two million, five hundred sixteen thousand, one hundred sixteen".