1110511666105 has 4 divisors (see below), whose sum is σ = 1332613999332. Its totient is φ = 888409332880.

The previous prime is 1110511666097. The next prime is 1110511666109. The reversal of 1110511666105 is 5016661150111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 204289536256 + 906222129849 = 451984^2 + 951957^2 .

It is not a de Polignac number, because 1110511666105 - 2³ = 1110511666097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1110511666109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111051166606 + ... + 111051166615.

It is an arithmetic number, because the mean of its divisors is an integer number (333153499833).

Almost surely, 2^{1110511666105} is an apocalyptic number.

It is an amenable number.

1110511666105 is a deficient number, since it is larger than the sum of its proper divisors (222102333227).

1110511666105 is an equidigital number, since it uses as much as digits as its factorization.

1110511666105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222102333226.

The product of its (nonzero) digits is 5400, while the sum is 34.

The spelling of 1110511666105 in words is "one trillion, one hundred ten billion, five hundred eleven million, six hundred sixty-six thousand, one hundred five".