25965008050 has 12 divisors (see below), whose sum is σ = 48294915066. Its totient is φ = 10386003200.

The previous prime is 25965008033. The next prime is 25965008057. The reversal of 25965008050 is 5080056952.

It can be written as a sum of positive squares in 3 ways, for example, as 21745336369 + 4219671681 = 147463^2 + 64959^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25965007994 and 25965008012.

It is not an unprimeable number, because it can be changed into a prime (25965008057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 259650031 + ... + 259650130.

Almost surely, 2^25965008050 is an apocalyptic number.

25965008050 is a deficient number, since it is larger than the sum of its proper divisors (22329907016).

25965008050 is a wasteful number, since it uses less digits than its factorization.

25965008050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 519300173 (or 519300168 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 25965008050 in words is "twenty-five billion, nine hundred sixty-five million, eight thousand, fifty".