505655515606 has 8 divisors (see below), whose sum is σ = 758570853744. Its totient is φ = 252798564360.

The previous prime is 505655515601. The next prime is 505655515609. The reversal of 505655515606 is 606515556505.

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

It is a self number, because there is not a number n which added to its sum of digits gives 505655515606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505655515601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14575065 + ... + 14609716.

It is an arithmetic number, because the mean of its divisors is an integer number (94821356718).

Almost surely, 2^505655515606 is an apocalyptic number.

505655515606 is a deficient number, since it is larger than the sum of its proper divisors (252915338138).

505655515606 is a wasteful number, since it uses less digits than its factorization.

505655515606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29193446.

The product of its (nonzero) digits is 3375000, while the sum is 49.

The spelling of 505655515606 in words is "five hundred five billion, six hundred fifty-five million, five hundred fifteen thousand, six hundred six".