11143434434 has 64 divisors (see below), whose sum is σ = 18964205568. Its totient is φ = 4867128000.

The previous prime is 11143434413. The next prime is 11143434443. The reversal of 11143434434 is 43443434111.

It is a super-2 number, since 2×11143434434² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11143434434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21306497 + ... + 21307019.

It is an arithmetic number, because the mean of its divisors is an integer number (296315712).

Almost surely, 2^11143434434 is an apocalyptic number.

11143434434 is a deficient number, since it is larger than the sum of its proper divisors (7820771134).

11143434434 is a wasteful number, since it uses less digits than its factorization.

11143434434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903.

The product of its digits is 27648, while the sum is 32.

Adding to 11143434434 its reverse (43443434111), we get a palindrome (54586868545).

The spelling of 11143434434 in words is "eleven billion, one hundred forty-three million, four hundred thirty-four thousand, four hundred thirty-four".