505656055605 has 8 divisors (see below), whose sum is σ = 809049688992. Its totient is φ = 269683229648.

The previous prime is 505656055549. The next prime is 505656055643. The reversal of 505656055605 is 506550656505.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 505656055605 - 2¹⁹ = 505655531317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16855201839 + ... + 16855201868.

It is an arithmetic number, because the mean of its divisors is an integer number (101131211124).

Almost surely, 2^505656055605 is an apocalyptic number.

It is an amenable number.

505656055605 is a deficient number, since it is larger than the sum of its proper divisors (303393633387).

505656055605 is a wasteful number, since it uses less digits than its factorization.

505656055605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33710403715.

The product of its (nonzero) digits is 3375000, while the sum is 48.

The spelling of 505656055605 in words is "five hundred five billion, six hundred fifty-six million, fifty-five thousand, six hundred five".