11043323313021 has 48 divisors (see below), whose sum is σ = 16023263173632. Its totient is φ = 7329175660800.

The previous prime is 11043323312971. The next prime is 11043323313119. The reversal of 11043323313021 is 12031332334011.

11043323313021 is a `hidden beast` number, since 1 + 1 + 0 + 4 + 3 + 323 + 31 + 302 + 1 = 666.

It is not a de Polignac number, because 11043323313021 - 2⁷ = 11043323312893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11043323315021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6343091211 + ... + 6343092951.

It is an arithmetic number, because the mean of its divisors is an integer number (333817982784).

Almost surely, 2^{11043323313021} is an apocalyptic number.

It is an amenable number.

11043323313021 is a deficient number, since it is larger than the sum of its proper divisors (4979939860611).

11043323313021 is a wasteful number, since it uses less digits than its factorization.

11043323313021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4794 (or 4791 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 11043323313021 its reverse (12031332334011), we get a palindrome (23074655647032).

The spelling of 11043323313021 in words is "eleven trillion, forty-three billion, three hundred twenty-three million, three hundred thirteen thousand, twenty-one".