505510606505 has 32 divisors (see below), whose sum is σ = 647729792640. Its totient is φ = 377631175680.

The previous prime is 505510606481. The next prime is 505510606547. The reversal of 505510606505 is 505606015505.

It is not a de Polignac number, because 505510606505 - 2⁶ = 505510606441 is a prime.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 3340175 + ... + 3488235.

It is an arithmetic number, because the mean of its divisors is an integer number (20241556020).

Almost surely, 2^505510606505 is an apocalyptic number.

It is an amenable number.

505510606505 is a deficient number, since it is larger than the sum of its proper divisors (142219186135).

505510606505 is a wasteful number, since it uses less digits than its factorization.

505510606505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148601.

The product of its (nonzero) digits is 112500, while the sum is 38.

The spelling of 505510606505 in words is "five hundred five billion, five hundred ten million, six hundred six thousand, five hundred five".