11072111065 has 32 divisors (see below), whose sum is σ = 14005474560. Its totient is φ = 8392253184.

The previous prime is 11072111021. The next prime is 11072111069. The reversal of 11072111065 is 56011127011.

11072111065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11072111065 - 2¹⁷ = 11071979993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11072111069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2853907 + ... + 2857783.

It is an arithmetic number, because the mean of its divisors is an integer number (437671080).

Almost surely, 2^11072111065 is an apocalyptic number.

It is an amenable number.

11072111065 is a deficient number, since it is larger than the sum of its proper divisors (2933363495).

11072111065 is a wasteful number, since it uses less digits than its factorization.

11072111065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4321.

The product of its (nonzero) digits is 420, while the sum is 25.

Adding to 11072111065 its reverse (56011127011), we get a palindrome (67083238076).

The spelling of 11072111065 in words is "eleven billion, seventy-two million, one hundred eleven thousand, sixty-five".