11142443155331 has 4 divisors (see below), whose sum is σ = 11142455439192. Its totient is φ = 11142430871472.

The previous prime is 11142443155289. The next prime is 11142443155397. The reversal of 11142443155331 is 13355134424111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11142443155331 - 2¹⁴ = 11142443138947 is a prime.

It is a super-2 number, since 2×11142443155331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11142443155531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4662530 + ... + 6635063.

It is an arithmetic number, because the mean of its divisors is an integer number (2785613859798).

Almost surely, 2^{11142443155331} is an apocalyptic number.

11142443155331 is a deficient number, since it is larger than the sum of its proper divisors (12283861).

11142443155331 is an equidigital number, since it uses as much as digits as its factorization.

11142443155331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12283860.

The product of its digits is 86400, while the sum is 38.

Adding to 11142443155331 its reverse (13355134424111), we get a palindrome (24497577579442).

The spelling of 11142443155331 in words is "eleven trillion, one hundred forty-two billion, four hundred forty-three million, one hundred fifty-five thousand, three hundred thirty-one".