11113648 has 80 divisors (see below), whose sum is σ = 28123200. Its totient is φ = 4128768.

The previous prime is 11113639. The next prime is 11113657. The reversal of 11113648 is 84631111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11113639) and next prime (11113657).

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, 24528 + ... + 24976.

It is an arithmetic number, because the mean of its divisors is an integer number (351540).

Almost surely, 2^11113648 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 11113648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14061600).

11113648 is an abundant number, since it is smaller than the sum of its proper divisors (17009552).

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

11113648 is a wasteful number, since it uses less digits than its factorization.

11113648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 494 (or 488 counting only the distinct ones).

The product of its digits is 576, while the sum is 25.

The square root of 11113648 is about 3333.7138449483. The cubic root of 11113648 is about 223.1612981718.

Adding to 11113648 its reverse (84631111), we get a palindrome (95744759).

The spelling of 11113648 in words is "eleven million, one hundred thirteen thousand, six hundred forty-eight".