505556000613 has 8 divisors (see below), whose sum is σ = 748971852800. Its totient is φ = 337037333724.

The previous prime is 505556000611. The next prime is 505556000639. The reversal of 505556000613 is 316000655505.

It is not a de Polignac number, because 505556000613 - 2¹ = 505556000611 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505556000611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9362148133 + ... + 9362148186.

It is an arithmetic number, because the mean of its divisors is an integer number (93621481600).

Almost surely, 2^505556000613 is an apocalyptic number.

It is an amenable number.

505556000613 is a deficient number, since it is larger than the sum of its proper divisors (243415852187).

505556000613 is a wasteful number, since it uses less digits than its factorization.

505556000613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18724296328 (or 18724296322 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 36.

The spelling of 505556000613 in words is "five hundred five billion, five hundred fifty-six million, six hundred thirteen", and thus it is an aban number.