11351532044321 has 4 divisors (see below), whose sum is σ = 12973179479232. Its totient is φ = 9729884609412.

The previous prime is 11351532044291. The next prime is 11351532044327. The reversal of 11351532044321 is 12344023515311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11351532044321 - 2¹⁰ = 11351532043297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11351532044327) 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, 810823717445 + ... + 810823717458.

It is an arithmetic number, because the mean of its divisors is an integer number (3243294869808).

Almost surely, 2^{11351532044321} is an apocalyptic number.

It is an amenable number.

11351532044321 is a deficient number, since it is larger than the sum of its proper divisors (1621647434911).

11351532044321 is an equidigital number, since it uses as much as digits as its factorization.

11351532044321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621647434910.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 11351532044321 its reverse (12344023515311), we get a palindrome (23695555559632).

The spelling of 11351532044321 in words is "eleven trillion, three hundred fifty-one billion, five hundred thirty-two million, forty-four thousand, three hundred twenty-one".