11561344 has 32 divisors (see below), whose sum is σ = 23604840. Its totient is φ = 5637120.

The previous prime is 11561321. The next prime is 11561359. The reversal of 11561344 is 44316511.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

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, 4147 + ... + 6349.

Almost surely, 2^11561344 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 11561344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11802420).

11561344 is an abundant number, since it is smaller than the sum of its proper divisors (12043496).

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

11561344 is an equidigital number, since it uses as much as digits as its factorization.

11561344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258 (or 2246 counting only the distinct ones).

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

The square root of 11561344 is about 3400.1976413144. The cubic root of 11561344 is about 226.1185062566.

Adding to 11561344 its reverse (44316511), we get a palindrome (55877855).

It can be divided in two parts, 1156 and 1344, that added together give a square (2500 = 50²).

The spelling of 11561344 in words is "eleven million, five hundred sixty-one thousand, three hundred forty-four".