1113521344 has 28 divisors (see below), whose sum is σ = 2379618304. Its totient is φ = 513932544.

The previous prime is 1113521309. The next prime is 1113521359. The reversal of 1113521344 is 4431253111.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668352 + ... + 670015.

It is an arithmetic number, because the mean of its divisors is an integer number (84986368).

Almost surely, 2^1113521344 is an apocalyptic number.

It is an amenable number.

1113521344 is an abundant number, since it is smaller than the sum of its proper divisors (1266096960).

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

1113521344 is a wasteful number, since it uses less digits than its factorization.

1113521344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338392 (or 1338382 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 1113521344 is about 33369.4672417766. The cubic root of 1113521344 is about 1036.4925431827.

Adding to 1113521344 its reverse (4431253111), we get a palindrome (5544774455).

The spelling of 1113521344 in words is "one billion, one hundred thirteen million, five hundred twenty-one thousand, three hundred forty-four".