505606240200566 has 4 divisors (see below), whose sum is σ = 758409360300852. Its totient is φ = 252803120100282.

The previous prime is 505606240200541. The next prime is 505606240200673. The reversal of 505606240200566 is 665002042606505.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 505606240200566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126401560050140 + ... + 126401560050143.

It is an arithmetic number, because the mean of its divisors is an integer number (189602340075213).

Almost surely, 2^{505606240200566} is an apocalyptic number.

505606240200566 is a deficient number, since it is larger than the sum of its proper divisors (252803120100286).

505606240200566 is a wasteful number, since it uses less digits than its factorization.

505606240200566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252803120100285.

The product of its (nonzero) digits is 2592000, while the sum is 47.

The spelling of 505606240200566 in words is "five hundred five trillion, six hundred six billion, two hundred forty million, two hundred thousand, five hundred sixty-six".