1105606111 has 2 divisors, whose sum is σ = 1105606112. Its totient is φ = 1105606110.

The previous prime is 1105606109. The next prime is 1105606127. The reversal of 1105606111 is 1116065011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1105606111 - 2¹ = 1105606109 is a prime.

Together with 1105606109, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1105606171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552803055 + 552803056.

It is an arithmetic number, because the mean of its divisors is an integer number (552803056).

Almost surely, 2^1105606111 is an apocalyptic number.

1105606111 is a deficient number, since it is larger than the sum of its proper divisors (1).

1105606111 is an equidigital number, since it uses as much as digits as its factorization.

1105606111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 22.

The square root of 1105606111 is about 33250.6557980440. The cubic root of 1105606111 is about 1034.0308043779.

The spelling of 1105606111 in words is "one billion, one hundred five million, six hundred six thousand, one hundred eleven".