1111044409 has 2 divisors, whose sum is σ = 1111044410. Its totient is φ = 1111044408.

The previous prime is 1111044397. The next prime is 1111044413. The reversal of 1111044409 is 9044401111.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 733597225 + 377447184 = 27085^2 + 19428^2 .

It is an emirp because it is prime and its reverse (9044401111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1111044409 - 2⁹ = 1111043897 is a prime.

It is not a weakly prime, because it can be changed into another prime (1111044439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555522204 + 555522205.

It is an arithmetic number, because the mean of its divisors is an integer number (555522205).

Almost surely, 2^1111044409 is an apocalyptic number.

It is an amenable number.

1111044409 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111044409 is an equidigital number, since it uses as much as digits as its factorization.

1111044409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 1111044409 is about 33332.3327866503. The cubic root of 1111044409 is about 1035.7234423397.

The spelling of 1111044409 in words is "one billion, one hundred eleven million, forty-four thousand, four hundred nine".