505060666513 has 16 divisors (see below), whose sum is σ = 545999912640. Its totient is φ = 464421127104.

The previous prime is 505060666511. The next prime is 505060666531. The reversal of 505060666513 is 315666060505.

It is a cyclic number.

It is not a de Polignac number, because 505060666513 - 2¹ = 505060666511 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 505060666513.

It is not an unprimeable number, because it can be changed into a prime (505060666511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9339370 + ... + 9393292.

It is an arithmetic number, because the mean of its divisors is an integer number (34124994540).

Almost surely, 2^505060666513 is an apocalyptic number.

It is an amenable number.

505060666513 is a deficient number, since it is larger than the sum of its proper divisors (40939246127).

505060666513 is a wasteful number, since it uses less digits than its factorization.

505060666513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56688.

The product of its (nonzero) digits is 486000, while the sum is 43.

The spelling of 505060666513 in words is "five hundred five billion, sixty million, six hundred sixty-six thousand, five hundred thirteen".