11043131233217 has 2 divisors, whose sum is σ = 11043131233218. Its totient is φ = 11043131233216.

The previous prime is 11043131233201. The next prime is 11043131233219. The reversal of 11043131233217 is 71233213134011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7811751092401 + 3231380140816 = 2794951^2 + 1797604^2 .

It is a cyclic number.

It is not a de Polignac number, because 11043131233217 - 2⁴ = 11043131233201 is a prime.

Together with 11043131233219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11043131233219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5521565616608 + 5521565616609.

It is an arithmetic number, because the mean of its divisors is an integer number (5521565616609).

Almost surely, 2^{11043131233217} is an apocalyptic number.

It is an amenable number.

11043131233217 is a deficient number, since it is larger than the sum of its proper divisors (1).

11043131233217 is an equidigital number, since it uses as much as digits as its factorization.

11043131233217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 32.

Adding to 11043131233217 its reverse (71233213134011), we get a palindrome (82276344367228).

The spelling of 11043131233217 in words is "eleven trillion, forty-three billion, one hundred thirty-one million, two hundred thirty-three thousand, two hundred seventeen".