1123445443211 has 64 divisors (see below), whose sum is σ = 1427908608000. Its totient is φ = 860199782400.

The previous prime is 1123445443199. The next prime is 1123445443213.

1123445443211 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1123445443211 - 2¹⁴ = 1123445426827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123445443213) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 241650815 + ... + 241655463.

It is an arithmetic number, because the mean of its divisors is an integer number (22311072000).

Almost surely, 2^{1123445443211} is an apocalyptic number.

1123445443211 is a deficient number, since it is larger than the sum of its proper divisors (304463164789).

1123445443211 is a wasteful number, since it uses less digits than its factorization.

1123445443211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5220.

The product of its digits is 46080, while the sum is 35.

It can be divided in two parts, 112344 and 5443211, that added together give a palindrome (5555555).

The spelling of 1123445443211 in words is "one trillion, one hundred twenty-three billion, four hundred forty-five million, four hundred forty-three thousand, two hundred eleven".