505050000025 has 24 divisors (see below), whose sum is σ = 634338070400. Its totient is φ = 398832033600.

The previous prime is 505050000001. The next prime is 505050000029. The reversal of 505050000025 is 520000050505.

It is not a de Polignac number, because 505050000025 - 2²⁷ = 504915782297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505049999960 and 505050000005.

It is not an unprimeable number, because it can be changed into a prime (505050000029) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9098806 + ... + 9154144.

Almost surely, 2^505050000025 is an apocalyptic number.

It is an amenable number.

505050000025 is a deficient number, since it is larger than the sum of its proper divisors (129288070375).

505050000025 is a wasteful number, since it uses less digits than its factorization.

505050000025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60049 (or 60044 counting only the distinct ones).

The product of its (nonzero) digits is 1250, while the sum is 22.

The spelling of 505050000025 in words is "five hundred five billion, fifty million, twenty-five", and thus it is an aban number.