25250250050 has 12 divisors (see below), whose sum is σ = 46965465186. Its totient is φ = 10100100000.

The previous prime is 25250250007. The next prime is 25250250071. The reversal of 25250250050 is 5005205252.

It can be written as a sum of positive squares in 3 ways, for example, as 18344806249 + 6905443801 = 135443^2 + 83099^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 252502451 + ... + 252502550.

Almost surely, 2^25250250050 is an apocalyptic number.

25250250050 is a deficient number, since it is larger than the sum of its proper divisors (21715215136).

25250250050 is a wasteful number, since it uses less digits than its factorization.

25250250050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505005013 (or 505005008 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 26.

The spelling of 25250250050 in words is "twenty-five billion, two hundred fifty million, two hundred fifty thousand, fifty".