5120521503013 has 12 divisors (see below), whose sum is σ = 5957162676300. Its totient is φ = 4388548574592.

The previous prime is 5120521502977. The next prime is 5120521503023. The reversal of 5120521503013 is 3103051250215.

It can be written as a sum of positive squares in 2 ways, for example, as 3350243354689 + 1770278148324 = 1830367^2 + 1330518^2 .

It is not a de Polignac number, because 5120521503013 - 2²¹ = 5120519405861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120521503023) 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 11 ways as a sum of consecutive naturals, for example, 5130756 + ... + 6046957.

It is an arithmetic number, because the mean of its divisors is an integer number (496430223025).

Almost surely, 2^{5120521503013} is an apocalyptic number.

It is an amenable number.

5120521503013 is a deficient number, since it is larger than the sum of its proper divisors (836641173287).

5120521503013 is a wasteful number, since it uses less digits than its factorization.

5120521503013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11187076 (or 11187069 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 5120521503013 its reverse (3103051250215), we get a palindrome (8223572753228).

The spelling of 5120521503013 in words is "five trillion, one hundred twenty billion, five hundred twenty-one million, five hundred three thousand, thirteen".