505213545224 has 16 divisors (see below), whose sum is σ = 947308585020. Its totient is φ = 252597922560.

The previous prime is 505213545223. The next prime is 505213545227. The reversal of 505213545224 is 422545312505.

It can be written as a sum of positive squares in 2 ways, for example, as 491190722500 + 14022822724 = 700850^2 + 118418^2 .

It is not an unprimeable number, because it can be changed into a prime (505213545223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 860429 + ... + 1323164.

Almost surely, 2^505213545224 is an apocalyptic number.

It is an amenable number.

505213545224 is a deficient number, since it is larger than the sum of its proper divisors (442095039796).

505213545224 is a wasteful number, since it uses less digits than its factorization.

505213545224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2212520 (or 2212516 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 38.

Adding to 505213545224 its reverse (422545312505), we get a palindrome (927758857729).

The spelling of 505213545224 in words is "five hundred five billion, two hundred thirteen million, five hundred forty-five thousand, two hundred twenty-four".