1113244544 has 64 divisors (see below), whose sum is σ = 2282058240. Its totient is φ = 540642816.

The previous prime is 1113244519. The next prime is 1113244591. The reversal of 1113244544 is 4454423111.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1226939 + ... + 1227845.

It is an arithmetic number, because the mean of its divisors is an integer number (35657160).

Almost surely, 2^1113244544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113244544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1141029120).

1113244544 is an abundant number, since it is smaller than the sum of its proper divisors (1168813696).

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

1113244544 is an equidigital number, since it uses as much as digits as its factorization.

1113244544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1187 (or 1175 counting only the distinct ones).

The product of its digits is 7680, while the sum is 29.

The square root of 1113244544 is about 33365.3194799630. The cubic root of 1113244544 is about 1036.4066520250.

Adding to 1113244544 its reverse (4454423111), we get a palindrome (5567667655).

The spelling of 1113244544 in words is "one billion, one hundred thirteen million, two hundred forty-four thousand, five hundred forty-four".