11028155 has 16 divisors (see below), whose sum is σ = 14624064. Its totient is φ = 7941120.

The previous prime is 11028131. The next prime is 11028161. The reversal of 11028155 is 55182011.

11028155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11028155 - 2⁸ = 11027899 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11028155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 866 + ... + 4775.

It is an arithmetic number, because the mean of its divisors is an integer number (914004).

Almost surely, 2^11028155 is an apocalyptic number.

11028155 is a deficient number, since it is larger than the sum of its proper divisors (3595909).

11028155 is a wasteful number, since it uses less digits than its factorization.

11028155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5686.

The product of its (nonzero) digits is 400, while the sum is 23.

The square root of 11028155 is about 3320.8666037647. The cubic root of 11028155 is about 222.5875933367.

The spelling of 11028155 in words is "eleven million, twenty-eight thousand, one hundred fifty-five".