11113028 has 6 divisors (see below), whose sum is σ = 19447806. Its totient is φ = 5556512.

The previous prime is 11113027. The next prime is 11113031. The reversal of 11113028 is 82031111.

It can be written as a sum of positive squares in only one way, i.e., 10705984 + 407044 = 3272^2 + 638^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11112997 and 11113015.

It is not an unprimeable number, because it can be changed into a prime (11113021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1389125 + ... + 1389132.

It is an arithmetic number, because the mean of its divisors is an integer number (3241301).

Almost surely, 2^11113028 is an apocalyptic number.

It is an amenable number.

11113028 is a deficient number, since it is larger than the sum of its proper divisors (8334778).

11113028 is a wasteful number, since it uses less digits than its factorization.

11113028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778261 (or 2778259 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

The square root of 11113028 is about 3333.6208542664. The cubic root of 11113028 is about 223.1571482420.

Adding to 11113028 its reverse (82031111), we get a palindrome (93144139).

The spelling of 11113028 in words is "eleven million, one hundred thirteen thousand, twenty-eight".