505223445615 has 32 divisors (see below), whose sum is σ = 932471170560. Its totient is φ = 228800786304.

The previous prime is 505223445613. The next prime is 505223445697. The reversal of 505223445615 is 516544322505.

It is not a de Polignac number, because 505223445615 - 2¹ = 505223445613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505223445613) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22473120 + ... + 22495589.

It is an arithmetic number, because the mean of its divisors is an integer number (29139724080).

Almost surely, 2^505223445615 is an apocalyptic number.

505223445615 is a deficient number, since it is larger than the sum of its proper divisors (427247724945).

505223445615 is a wasteful number, since it uses less digits than its factorization.

505223445615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44968831.

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 505223445615 in words is "five hundred five billion, two hundred twenty-three million, four hundred forty-five thousand, six hundred fifteen".