5320441013521 has 6 divisors (see below), whose sum is σ = 5561822080850. Its totient is φ = 5089117490688.

The previous prime is 5320441013513. The next prime is 5320441013543. The reversal of 5320441013521 is 1253101440235.

It can be written as a sum of positive squares in only one way, i.e., 2676613793296 + 2643827220225 = 1636036^2 + 1625985^2 .

It is not a de Polignac number, because 5320441013521 - 2³ = 5320441013513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5320441013561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5028771696 + ... + 5028772753.

Almost surely, 2^{5320441013521} is an apocalyptic number.

It is an amenable number.

5320441013521 is a deficient number, since it is larger than the sum of its proper divisors (241381067329).

5320441013521 is a wasteful number, since it uses less digits than its factorization.

5320441013521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10057544495 (or 10057544472 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 5320441013521 its reverse (1253101440235), we get a palindrome (6573542453756).

The spelling of 5320441013521 in words is "five trillion, three hundred twenty billion, four hundred forty-one million, thirteen thousand, five hundred twenty-one".