1108188089 has 2 divisors, whose sum is σ = 1108188090. Its totient is φ = 1108188088.

The previous prime is 1108188013. The next prime is 1108188101. The reversal of 1108188089 is 9808818011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1099585600 + 8602489 = 33160^2 + 2933^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1108188089 is a prime.

It is not a weakly prime, because it can be changed into another prime (1108188689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 554094044 + 554094045.

It is an arithmetic number, because the mean of its divisors is an integer number (554094045).

Almost surely, 2^1108188089 is an apocalyptic number.

It is an amenable number.

1108188089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1108188089 is an equidigital number, since it uses as much as digits as its factorization.

1108188089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36864, while the sum is 44.

The square root of 1108188089 is about 33289.4591274776. The cubic root of 1108188089 is about 1034.8351201020.

The spelling of 1108188089 in words is "one billion, one hundred eight million, one hundred eighty-eight thousand, eighty-nine".