11117928 has 16 divisors (see below), whose sum is σ = 27794880. Its totient is φ = 3705968.

The previous prime is 11117903. The next prime is 11117963. The reversal of 11117928 is 82971111.

It is a junction number, because it is equal to n+sod(n) for n = 11117895 and 11117904.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231600 + ... + 231647.

It is an arithmetic number, because the mean of its divisors is an integer number (1737180).

Almost surely, 2^11117928 is an apocalyptic number.

It is an amenable number.

11117928 is an abundant number, since it is smaller than the sum of its proper divisors (16676952).

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

11117928 is a wasteful number, since it uses less digits than its factorization.

11117928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463256 (or 463252 counting only the distinct ones).

The product of its digits is 1008, while the sum is 30.

The square root of 11117928 is about 3334.3557098786. The cubic root of 11117928 is about 223.1899418651.

The spelling of 11117928 in words is "eleven million, one hundred seventeen thousand, nine hundred twenty-eight".