111000000289 has 2 divisors, whose sum is σ = 111000000290. Its totient is φ = 111000000288.

The previous prime is 111000000257. The next prime is 111000000313. The reversal of 111000000289 is 982000000111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96481678225 + 14518322064 = 310615^2 + 120492^2 .

It is a cyclic number.

It is not a de Polignac number, because 111000000289 - 2⁵ = 111000000257 is a prime.

It is not a weakly prime, because it can be changed into another prime (111040000289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55500000144 + 55500000145.

It is an arithmetic number, because the mean of its divisors is an integer number (55500000145).

Almost surely, 2^111000000289 is an apocalyptic number.

It is an amenable number.

111000000289 is a deficient number, since it is larger than the sum of its proper divisors (1).

111000000289 is an equidigital number, since it uses as much as digits as its factorization.

111000000289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 111000000289 in words is "one hundred eleven billion, two hundred eighty-nine", and thus it is an aban number.