110000109889 has 2 divisors, whose sum is σ = 110000109890. Its totient is φ = 110000109888.

The previous prime is 110000109887. The next prime is 110000110009. The reversal of 110000109889 is 988901000011.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98585324289 + 11414785600 = 313983^2 + 106840^2 .

It is a cyclic number.

It is not a de Polignac number, because 110000109889 - 2¹ = 110000109887 is a prime.

Together with 110000109887, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (110000109887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55000054944 + 55000054945.

It is an arithmetic number, because the mean of its divisors is an integer number (55000054945).

Almost surely, 2^110000109889 is an apocalyptic number.

It is an amenable number.

110000109889 is a deficient number, since it is larger than the sum of its proper divisors (1).

110000109889 is an equidigital number, since it uses as much as digits as its factorization.

110000109889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 37.

The spelling of 110000109889 in words is "one hundred ten billion, one hundred nine thousand, eight hundred eighty-nine".