11124556 has 6 divisors (see below), whose sum is σ = 19467980. Its totient is φ = 5562276.

The previous prime is 11124539. The next prime is 11124569. The reversal of 11124556 is 65542111.

It is a happy number.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 11124556.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1390566 + ... + 1390573.

Almost surely, 2^11124556 is an apocalyptic number.

It is an amenable number.

11124556 is a deficient number, since it is larger than the sum of its proper divisors (8343424).

11124556 is a wasteful number, since it uses less digits than its factorization.

11124556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2781143 (or 2781141 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 11124556 is about 3335.3494569535. The cubic root of 11124556 is about 223.2342849317.

Adding to 11124556 its reverse (65542111), we get a palindrome (76666667).

The spelling of 11124556 in words is "eleven million, one hundred twenty-four thousand, five hundred fifty-six".