11143250532209 has 2 divisors, whose sum is σ = 11143250532210. Its totient is φ = 11143250532208.

The previous prime is 11143250532203. The next prime is 11143250532229. The reversal of 11143250532209 is 90223505234111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8555244754225 + 2588005777984 = 2924935^2 + 1608728^2 .

It is an emirp because it is prime and its reverse (90223505234111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11143250532209 - 2²⁰ = 11143249483633 is a prime.

It is not a weakly prime, because it can be changed into another prime (11143250532203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5571625266104 + 5571625266105.

It is an arithmetic number, because the mean of its divisors is an integer number (5571625266105).

Almost surely, 2^{11143250532209} is an apocalyptic number.

It is an amenable number.

11143250532209 is a deficient number, since it is larger than the sum of its proper divisors (1).

11143250532209 is an equidigital number, since it uses as much as digits as its factorization.

11143250532209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 11143250532209 in words is "eleven trillion, one hundred forty-three billion, two hundred fifty million, five hundred thirty-two thousand, two hundred nine".