11156028 has 36 divisors (see below), whose sum is σ = 28192248. Its totient is φ = 3432000.

The previous prime is 11156009. The next prime is 11156051. The reversal of 11156028 is 82065111.

11156028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11155989 and 11156007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 723 + ... + 4778.

It is an arithmetic number, because the mean of its divisors is an integer number (783118).

Almost surely, 2^11156028 is an apocalyptic number.

It is an amenable number.

11156028 is an abundant number, since it is smaller than the sum of its proper divisors (17036220).

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

11156028 is a wasteful number, since it uses less digits than its factorization.

11156028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5534 (or 5519 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 11156028 is about 3340.0640712417. The cubic root of 11156028 is about 223.4446008763. Note that the first 3 decimals are identical.

The spelling of 11156028 in words is "eleven million, one hundred fifty-six thousand, twenty-eight".