11028855 has 16 divisors (see below), whose sum is σ = 18057600. Its totient is φ = 5744928.

The previous prime is 11028851. The next prime is 11028863. The reversal of 11028855 is 55882011.

11028855 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 11028855 - 2² = 11028851 is a prime.

It is a super-2 number, since 2×11028855² = 243271285222050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11028851) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7905 + ... + 9194.

It is an arithmetic number, because the mean of its divisors is an integer number (1128600).

Almost surely, 2^11028855 is an apocalyptic number.

11028855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11028855 is a deficient number, since it is larger than the sum of its proper divisors (7028745).

11028855 is a wasteful number, since it uses less digits than its factorization.

11028855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17150.

The product of its (nonzero) digits is 3200, while the sum is 30.

The square root of 11028855 is about 3320.9719962686. The cubic root of 11028855 is about 222.5923027379.

The spelling of 11028855 in words is "eleven million, twenty-eight thousand, eight hundred fifty-five".