1123440443211 has 16 divisors (see below), whose sum is σ = 1499114373120. Its totient is φ = 748363615680.

The previous prime is 1123440443173. The next prime is 1123440443221.

It is a happy number.

1123440443211 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 1123440443211 - 2⁹ = 1123440442699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1123440443221) 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 15 ways as a sum of consecutive naturals, for example, 24089526 + ... + 24136116.

It is an arithmetic number, because the mean of its divisors is an integer number (93694648320).

Almost surely, 2^{1123440443211} is an apocalyptic number.

1123440443211 is a deficient number, since it is larger than the sum of its proper divisors (375673929909).

1123440443211 is a wasteful number, since it uses less digits than its factorization.

1123440443211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52826.

The product of its (nonzero) digits is 9216, while the sum is 30.

It can be divided in two parts, 1123440 and 443211, that added together give a palindrome (1566651).

The spelling of 1123440443211 in words is "one trillion, one hundred twenty-three billion, four hundred forty million, four hundred forty-three thousand, two hundred eleven".