505011305025 has 18 divisors (see below), whose sum is σ = 904531360070. Its totient is φ = 269339362560.

The previous prime is 505011305021. The next prime is 505011305027. The reversal of 505011305025 is 520503110505.

505011305025 is a `hidden beast` number, since 5 + 0 + 501 + 130 + 5 + 0 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 4889365776 + 500121939249 = 69924^2 + 707193^2 .

It is not a de Polignac number, because 505011305025 - 2² = 505011305021 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505011305025.

It is not an unprimeable number, because it can be changed into a prime (505011305021) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1122247120 + ... + 1122247569.

Almost surely, 2^505011305025 is an apocalyptic number.

It is an amenable number.

505011305025 is a deficient number, since it is larger than the sum of its proper divisors (399520055045).

505011305025 is a wasteful number, since it uses less digits than its factorization.

505011305025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2244494705 (or 2244494697 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The spelling of 505011305025 in words is "five hundred five billion, eleven million, three hundred five thousand, twenty-five".