11143431332 has 24 divisors (see below), whose sum is σ = 21320412960. Its totient is φ = 5054103360.

The previous prime is 11143431331. The next prime is 11143431361. The reversal of 11143431332 is 23313434111.

It is not an unprimeable number, because it can be changed into a prime (11143431331) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 256982 + ... + 297197.

It is an arithmetic number, because the mean of its divisors is an integer number (888350540).

Almost surely, 2^11143431332 is an apocalyptic number.

It is an amenable number.

11143431332 is a deficient number, since it is larger than the sum of its proper divisors (10176981628).

11143431332 is a wasteful number, since it uses less digits than its factorization.

11143431332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554651 (or 554649 counting only the distinct ones).

The product of its digits is 2592, while the sum is 26.

Adding to 11143431332 its reverse (23313434111), we get a palindrome (34456865443).

The spelling of 11143431332 in words is "eleven billion, one hundred forty-three million, four hundred thirty-one thousand, three hundred thirty-two".