1111144448 has 24 divisors (see below), whose sum is σ = 2221750440. Its totient is φ = 555571200.

The previous prime is 1111144427. The next prime is 1111144451. The reversal of 1111144448 is 8444411111.

It is a happy number.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1111144448.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 269228 + ... + 273323.

It is an arithmetic number, because the mean of its divisors is an integer number (92572935).

Almost surely, 2^1111144448 is an apocalyptic number.

It is an amenable number.

1111144448 is a deficient number, since it is larger than the sum of its proper divisors (1110605992).

1111144448 is an frugal number, since it uses more digits than its factorization.

1111144448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542573 (or 542553 counting only the distinct ones).

The product of its digits is 2048, while the sum is 29.

The square root of 1111144448 is about 33333.8333829159. The cubic root of 1111144448 is about 1035.7545270942.

Adding to 1111144448 its reverse (8444411111), we get a palindrome (9555555559).

The spelling of 1111144448 in words is "one billion, one hundred eleven million, one hundred forty-four thousand, four hundred forty-eight".