1065445111 has 4 divisors (see below), whose sum is σ = 1066160232. Its totient is φ = 1064729992.

The previous prime is 1065445091. The next prime is 1065445207. The reversal of 1065445111 is 1115445601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1115445601 = 2389 ⋅466909.

It is a cyclic number.

It is not a de Polignac number, because 1065445111 - 2⁵ = 1065445079 is a prime.

It is a super-2 number, since 2×1065445111² = 2270346569107604642, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1065445111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1065485111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355321 + ... + 358306.

It is an arithmetic number, because the mean of its divisors is an integer number (266540058).

Almost surely, 2^1065445111 is an apocalyptic number.

1065445111 is a deficient number, since it is larger than the sum of its proper divisors (715121).

1065445111 is an equidigital number, since it uses as much as digits as its factorization.

1065445111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715120.

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 1065445111 is about 32641.1567043817. The cubic root of 1065445111 is about 1021.3557235263.

The spelling of 1065445111 in words is "one billion, sixty-five million, four hundred forty-five thousand, one hundred eleven".