505223410561 has 8 divisors (see below), whose sum is σ = 532553788800. Its totient is φ = 477966999600.

The previous prime is 505223410507. The next prime is 505223410579. The reversal of 505223410561 is 165014322505.

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 505223410561 - 2¹⁵ = 505223377793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505223410661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18477790 + ... + 18505111.

It is an arithmetic number, because the mean of its divisors is an integer number (66569223600).

Almost surely, 2^505223410561 is an apocalyptic number.

It is an amenable number.

505223410561 is a deficient number, since it is larger than the sum of its proper divisors (27330378239).

505223410561 is a wasteful number, since it uses less digits than its factorization.

505223410561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36983639.

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 505223410561 in words is "five hundred five billion, two hundred twenty-three million, four hundred ten thousand, five hundred sixty-one".