111104009 has 2 divisors, whose sum is σ = 111104010. Its totient is φ = 111104008.

The previous prime is 111104003. The next prime is 111104057. The reversal of 111104009 is 900401111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110838784 + 265225 = 10528^2 + 515^2 .

It is an emirp because it is prime and its reverse (900401111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111104009 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (111104003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55552004 + 55552005.

It is an arithmetic number, because the mean of its divisors is an integer number (55552005).

Almost surely, 2^111104009 is an apocalyptic number.

It is an amenable number.

111104009 is a deficient number, since it is larger than the sum of its proper divisors (1).

111104009 is an equidigital number, since it uses as much as digits as its factorization.

111104009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 17.

The square root of 111104009 is about 10540.5886458015. The cubic root of 111104009 is about 480.7396135342.

The spelling of 111104009 in words is "one hundred eleven million, one hundred four thousand, nine".