111104869 has 2 divisors, whose sum is σ = 111104870. Its totient is φ = 111104868.

The previous prime is 111104863. The next prime is 111104909. The reversal of 111104869 is 968401111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75463969 + 35640900 = 8687^2 + 5970^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111104869 is a prime.

It is a super-2 number, since 2×111104869² = 24688583831014322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111104869.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111104863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55552434 + 55552435.

It is an arithmetic number, because the mean of its divisors is an integer number (55552435).

Almost surely, 2^111104869 is an apocalyptic number.

It is an amenable number.

111104869 is a deficient number, since it is larger than the sum of its proper divisors (1).

111104869 is an equidigital number, since it uses as much as digits as its factorization.

111104869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 31.

The square root of 111104869 is about 10540.6294404082. The cubic root of 111104869 is about 480.7408539185.

The spelling of 111104869 in words is "one hundred eleven million, one hundred four thousand, eight hundred sixty-nine".