506041321521 has 8 divisors (see below), whose sum is σ = 677694105504. Its totient is φ = 335874709280.

The previous prime is 506041321519. The next prime is 506041321549. The reversal of 506041321521 is 125123140605.

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 506041321521 - 2¹ = 506041321519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506041323521) 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, 371542140 + ... + 371543501.

It is an arithmetic number, because the mean of its divisors is an integer number (84711763188).

Almost surely, 2^506041321521 is an apocalyptic number.

It is an amenable number.

506041321521 is a deficient number, since it is larger than the sum of its proper divisors (171652783983).

506041321521 is a wasteful number, since it uses less digits than its factorization.

506041321521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 743085871.

The product of its (nonzero) digits is 7200, while the sum is 30.

The spelling of 506041321521 in words is "five hundred six billion, forty-one million, three hundred twenty-one thousand, five hundred twenty-one".