11353504211213 has 4 divisors (see below), whose sum is σ = 11353510959900. Its totient is φ = 11353497462528.

The previous prime is 11353504211191. The next prime is 11353504211233. The reversal of 11353504211213 is 31211240535311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 111183567364 + 11242320643849 = 333442^2 + 3352957^2 .

It is a cyclic number.

It is not a de Polignac number, because 11353504211213 - 2²⁰ = 11353503162637 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 11353504211213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11353504211233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1415981 + ... + 4971117.

It is an arithmetic number, because the mean of its divisors is an integer number (2838377739975).

Almost surely, 2^{11353504211213} is an apocalyptic number.

It is an amenable number.

11353504211213 is a deficient number, since it is larger than the sum of its proper divisors (6748687).

11353504211213 is an equidigital number, since it uses as much as digits as its factorization.

11353504211213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6748686.

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 11353504211213 its reverse (31211240535311), we get a palindrome (42564744746524).

The spelling of 11353504211213 in words is "eleven trillion, three hundred fifty-three billion, five hundred four million, two hundred eleven thousand, two hundred thirteen".