11243170889 has 2 divisors, whose sum is σ = 11243170890. Its totient is φ = 11243170888.

The previous prime is 11243170853. The next prime is 11243170973. The reversal of 11243170889 is 98807134211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5671294864 + 5571876025 = 75308^2 + 74645^2 .

It is a cyclic number.

It is not a de Polignac number, because 11243170889 - 2⁸ = 11243170633 is a prime.

It is not a weakly prime, because it can be changed into another prime (11243100889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621585444 + 5621585445.

It is an arithmetic number, because the mean of its divisors is an integer number (5621585445).

Almost surely, 2^11243170889 is an apocalyptic number.

It is an amenable number.

11243170889 is a deficient number, since it is larger than the sum of its proper divisors (1).

11243170889 is an equidigital number, since it uses as much as digits as its factorization.

11243170889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 96768, while the sum is 44.

The spelling of 11243170889 in words is "eleven billion, two hundred forty-three million, one hundred seventy thousand, eight hundred eighty-nine".