11335134213 has 48 divisors (see below), whose sum is σ = 18408390000. Its totient is φ = 6672927744.

The previous prime is 11335134197. The next prime is 11335134227. The reversal of 11335134213 is 31243153311.

11335134213 is a `hidden beast` number, since 1 + 133 + 513 + 4 + 2 + 13 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 1766773089 + 9568361124 = 42033^2 + 97818^2 .

It is not a de Polignac number, because 11335134213 - 2⁴ = 11335134197 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11335134313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 354513 + ... + 385161.

It is an arithmetic number, because the mean of its divisors is an integer number (383508125).

Almost surely, 2^11335134213 is an apocalyptic number.

11335134213 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11335134213 is a deficient number, since it is larger than the sum of its proper divisors (7073255787).

11335134213 is a wasteful number, since it uses less digits than its factorization.

11335134213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30806 (or 30803 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

Adding to 11335134213 its reverse (31243153311), we get a palindrome (42578287524).

The spelling of 11335134213 in words is "eleven billion, three hundred thirty-five million, one hundred thirty-four thousand, two hundred thirteen".