11271670889 has 2 divisors, whose sum is σ = 11271670890. Its totient is φ = 11271670888.

The previous prime is 11271670867. The next prime is 11271670919. The reversal of 11271670889 is 98807617211.

11271670889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7733443600 + 3538227289 = 87940^2 + 59483^2 .

It is a cyclic number.

It is not a de Polignac number, because 11271670889 - 2²⁰ = 11270622313 is a prime.

It is not a weakly prime, because it can be changed into another prime (11271670849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5635835444 + 5635835445.

It is an arithmetic number, because the mean of its divisors is an integer number (5635835445).

Almost surely, 2^11271670889 is an apocalyptic number.

It is an amenable number.

11271670889 is a deficient number, since it is larger than the sum of its proper divisors (1).

11271670889 is an equidigital number, since it uses as much as digits as its factorization.

11271670889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 338688, while the sum is 50.

The spelling of 11271670889 in words is "eleven billion, two hundred seventy-one million, six hundred seventy thousand, eight hundred eighty-nine".