4521120056213 has 12 divisors (see below), whose sum is σ = 4641185280324. Its totient is φ = 4402972992000.

The previous prime is 4521120056209. The next prime is 4521120056231. The reversal of 4521120056213 is 3126500211254.

It can be written as a sum of positive squares in 6 ways, for example, as 1551501921649 + 2969618134564 = 1245593^2 + 1723258^2 .

It is not a de Polignac number, because 4521120056213 - 2² = 4521120056209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4521120056213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4521120056293) 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, 3010556 + ... + 4255077.

It is an arithmetic number, because the mean of its divisors is an integer number (386765440027).

Almost surely, 2^{4521120056213} is an apocalyptic number.

It is an amenable number.

4521120056213 is a deficient number, since it is larger than the sum of its proper divisors (120065224111).

4521120056213 is an equidigital number, since it uses as much as digits as its factorization.

4521120056213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7265896 (or 7265795 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

Adding to 4521120056213 its reverse (3126500211254), we get a palindrome (7647620267467).

The spelling of 4521120056213 in words is "four trillion, five hundred twenty-one billion, one hundred twenty million, fifty-six thousand, two hundred thirteen".