11304121143213 has 12 divisors (see below), whose sum is σ = 16328455254748. Its totient is φ = 7535951406720.

The previous prime is 11304121143193. The next prime is 11304121143311. The reversal of 11304121143213 is 31234112140311.

11304121143213 is a `hidden beast` number, since 1 + 1 + 3 + 0 + 4 + 1 + 211 + 432 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9335145290409 + 1968975852804 = 3055347^2 + 1403202^2 .

It is not a de Polignac number, because 11304121143213 - 2¹⁴ = 11304121126829 is a prime.

It is a super-3 number, since 3×11304121143213³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11304121143613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10224658 + ... + 11276163.

Almost surely, 2^{11304121143213} is an apocalyptic number.

It is an amenable number.

11304121143213 is a deficient number, since it is larger than the sum of its proper divisors (5024334111535).

11304121143213 is a wasteful number, since it uses less digits than its factorization.

11304121143213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21559244 (or 21559241 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

Adding to 11304121143213 its reverse (31234112140311), we get a palindrome (42538233283524).

The spelling of 11304121143213 in words is "eleven trillion, three hundred four billion, one hundred twenty-one million, one hundred forty-three thousand, two hundred thirteen".