1111144244 has 48 divisors (see below), whose sum is σ = 2345589120. Its totient is φ = 449919360.

The previous prime is 1111144231. The next prime is 1111144267. The reversal of 1111144244 is 4424411111.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 208574 + ... + 213834.

It is an arithmetic number, because the mean of its divisors is an integer number (48866440).

Almost surely, 2^1111144244 is an apocalyptic number.

1111144244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1111144244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1172794560).

1111144244 is an abundant number, since it is smaller than the sum of its proper divisors (1234444876).

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

1111144244 is a wasteful number, since it uses less digits than its factorization.

1111144244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5688 (or 5686 counting only the distinct ones).

The product of its digits is 512, while the sum is 23.

The square root of 1111144244 is about 33333.8303229617. The cubic root of 1111144244 is about 1035.7544637079.

Adding to 1111144244 its reverse (4424411111), we get a palindrome (5535555355).

It can be divided in two parts, 11111 and 44244, that added together give a palindrome (55355).

The spelling of 1111144244 in words is "one billion, one hundred eleven million, one hundred forty-four thousand, two hundred forty-four".