10605611111 has 2 divisors, whose sum is σ = 10605611112. Its totient is φ = 10605611110.

The previous prime is 10605611063. The next prime is 10605611113. The reversal of 10605611111 is 11111650601.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (11111650601) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10605611111 is a prime.

It is a super-2 number, since 2×10605611111² (a number of 21 digits) contains 22 as substring.

Together with 10605611113, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10605611113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5302805555 + 5302805556.

It is an arithmetic number, because the mean of its divisors is an integer number (5302805556).

Almost surely, 2^10605611111 is an apocalyptic number.

10605611111 is a deficient number, since it is larger than the sum of its proper divisors (1).

10605611111 is an equidigital number, since it uses as much as digits as its factorization.

10605611111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 23.

The spelling of 10605611111 in words is "ten billion, six hundred five million, six hundred eleven thousand, one hundred eleven".