25045505050 has 24 divisors (see below), whose sum is σ = 47348327772. Its totient is φ = 9853968000.

The previous prime is 25045505003. The next prime is 25045505083. The reversal of 25045505050 is 5050554052.

It can be written as a sum of positive squares in 6 ways, for example, as 9698507361 + 15346997689 = 98481^2 + 123883^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4102771 + ... + 4108870.

Almost surely, 2^25045505050 is an apocalyptic number.

25045505050 is a deficient number, since it is larger than the sum of its proper divisors (22302822722).

25045505050 is a wasteful number, since it uses less digits than its factorization.

25045505050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8211714 (or 8211709 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 31.

The spelling of 25045505050 in words is "twenty-five billion, forty-five million, five hundred five thousand, fifty".