11113556 has 24 divisors (see below), whose sum is σ = 20580000. Its totient is φ = 5236704.

The previous prime is 11113549. The next prime is 11113561. The reversal of 11113556 is 65531111.

It is a super-2 number, since 2×11113556² = 247022253930272, which contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26315 + ... + 26733.

It is an arithmetic number, because the mean of its divisors is an integer number (857500).

Almost surely, 2^11113556 is an apocalyptic number.

It is an amenable number.

11113556 is a deficient number, since it is larger than the sum of its proper divisors (9466444).

11113556 is a wasteful number, since it uses less digits than its factorization.

11113556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 789 counting only the distinct ones).

The product of its digits is 450, while the sum is 23.

The square root of 11113556 is about 3333.7000464949. The cubic root of 11113556 is about 223.1606823856.

Adding to 11113556 its reverse (65531111), we get a palindrome (76644667).

The spelling of 11113556 in words is "eleven million, one hundred thirteen thousand, five hundred fifty-six".