505005500025 has 54 divisors (see below), whose sum is σ = 979451766618. Its totient is φ = 248618073600.

The previous prime is 505005499993. The next prime is 505005500039. The reversal of 505005500025 is 520005500505.

It is a happy number.

It can be written as a sum of positive squares in 9 ways, for example, as 367930804329 + 137074695696 = 606573^2 + 370236^2 .

It is not a de Polignac number, because 505005500025 - 2⁵ = 505005499993 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 6602416 + ... + 6678465.

Almost surely, 2^505005500025 is an apocalyptic number.

It is an amenable number.

505005500025 is a deficient number, since it is larger than the sum of its proper divisors (474446266593).

505005500025 is a wasteful number, since it uses less digits than its factorization.

505005500025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13280923 (or 13280902 counting only the distinct ones).

The product of its (nonzero) digits is 6250, while the sum is 27.

The spelling of 505005500025 in words is "five hundred five billion, five million, five hundred thousand, twenty-five".