1111243211433 has 24 divisors (see below), whose sum is σ = 1709566925248. Its totient is φ = 720806401584.

The previous prime is 1111243211413. The next prime is 1111243211443. The reversal of 1111243211433 is 3341123421111.

1111243211433 is a `hidden beast` number, since 1 + 1 + 1 + 12 + 4 + 3 + 211 + 433 = 666.

It is not a de Polignac number, because 1111243211433 - 2⁶ = 1111243211369 is a prime.

It is a super-2 number, since 2×1111243211433² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1111243211397 and 1111243211406.

It is not an unprimeable number, because it can be changed into a prime (1111243211413) 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 23 ways as a sum of consecutive naturals, for example, 61788541 + ... + 61806522.

Almost surely, 2^{1111243211433} is an apocalyptic number.

It is an amenable number.

1111243211433 is a deficient number, since it is larger than the sum of its proper divisors (598323713815).

1111243211433 is an equidigital number, since it uses as much as digits as its factorization.

1111243211433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123595115 (or 123595103 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

Adding to 1111243211433 its reverse (3341123421111), we get a palindrome (4452366632544).

The spelling of 1111243211433 in words is "one trillion, one hundred eleven billion, two hundred forty-three million, two hundred eleven thousand, four hundred thirty-three".