1111144452 has 36 divisors (see below), whose sum is σ = 2849798448. Its totient is φ = 336710000.

The previous prime is 1111144451. The next prime is 1111144459. The reversal of 1111144452 is 2544411111.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1111144451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 381174 + ... + 384077.

It is an arithmetic number, because the mean of its divisors is an integer number (79161068).

Almost surely, 2^1111144452 is an apocalyptic number.

1111144452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1111144452 is an abundant number, since it is smaller than the sum of its proper divisors (1738653996).

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

1111144452 is a wasteful number, since it uses less digits than its factorization.

1111144452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765280 (or 765267 counting only the distinct ones).

The product of its digits is 640, while the sum is 24.

The square root of 1111144452 is about 33333.8334429150. The cubic root of 1111144452 is about 1035.7545283370.

Adding to 1111144452 its reverse (2544411111), we get a palindrome (3655555563).

The spelling of 1111144452 in words is "one billion, one hundred eleven million, one hundred forty-four thousand, four hundred fifty-two".