111132289 has 2 divisors, whose sum is σ = 111132290. Its totient is φ = 111132288.

The previous prime is 111132283. The next prime is 111132313. The reversal of 111132289 is 982231111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95883264 + 15249025 = 9792^2 + 3905^2 .

It is a cyclic number.

It is not a de Polignac number, because 111132289 - 2²³ = 102743681 is a prime.

It is a Chen prime.

It is equal to p_6364342 and since 111132289 and 6364342 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (111132283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55566144 + 55566145.

It is an arithmetic number, because the mean of its divisors is an integer number (55566145).

Almost surely, 2^111132289 is an apocalyptic number.

It is an amenable number.

111132289 is a deficient number, since it is larger than the sum of its proper divisors (1).

111132289 is an equidigital number, since it uses as much as digits as its factorization.

111132289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 28.

The square root of 111132289 is about 10541.9300415057. The cubic root of 111132289 is about 480.7803986299.

The spelling of 111132289 in words is "one hundred eleven million, one hundred thirty-two thousand, two hundred eighty-nine".