1111441136 has 20 divisors (see below), whose sum is σ = 2319065112. Its totient is φ = 512972736.

The previous prime is 1111441127. The next prime is 1111441139. The reversal of 1111441136 is 6311441111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111441139) 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 3 ways as a sum of consecutive naturals, for example, 2671526 + ... + 2671941.

Almost surely, 2^1111441136 is an apocalyptic number.

1111441136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1111441136 is an abundant number, since it is smaller than the sum of its proper divisors (1207623976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111441136 is a wasteful number, since it uses less digits than its factorization.

1111441136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5343488 (or 5343482 counting only the distinct ones).

The product of its digits is 288, while the sum is 23.

The square root of 1111441136 is about 33338.2833391283. The cubic root of 1111441136 is about 1035.8467049064.

Adding to 1111441136 its reverse (6311441111), we get a palindrome (7422882247).

The spelling of 1111441136 in words is "one billion, one hundred eleven million, four hundred forty-one thousand, one hundred thirty-six".