505278050025 has 24 divisors (see below), whose sum is σ = 954734906944. Its totient is φ = 230984251200.

The previous prime is 505278050003. The next prime is 505278050051. The reversal of 505278050025 is 520050872505.

It is not a de Polignac number, because 505278050025 - 2⁸ = 505278049769 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 481216666 + ... + 481217715.

Almost surely, 2^505278050025 is an apocalyptic number.

It is an amenable number.

505278050025 is a deficient number, since it is larger than the sum of its proper divisors (449456856919).

505278050025 is a wasteful number, since it uses less digits than its factorization.

505278050025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962434401 (or 962434396 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 39.

The spelling of 505278050025 in words is "five hundred five billion, two hundred seventy-eight million, fifty thousand, twenty-five".