110110109609 has 2 divisors, whose sum is σ = 110110109610. Its totient is φ = 110110109608.

The previous prime is 110110109597. The next prime is 110110109611. The reversal of 110110109609 is 906901011011.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 88805788009 + 21304321600 = 298003^2 + 145960^2 .

It is a cyclic number.

It is not a de Polignac number, because 110110109609 - 2¹² = 110110105513 is a prime.

Together with 110110109611, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (110110109639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55055054804 + 55055054805.

It is an arithmetic number, because the mean of its divisors is an integer number (55055054805).

Almost surely, 2^110110109609 is an apocalyptic number.

It is an amenable number.

110110109609 is a deficient number, since it is larger than the sum of its proper divisors (1).

110110109609 is an equidigital number, since it uses as much as digits as its factorization.

110110109609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 486, while the sum is 29.

The spelling of 110110109609 in words is "one hundred ten billion, one hundred ten million, one hundred nine thousand, six hundred nine".