11028081 has 16 divisors (see below), whose sum is σ = 15339456. Its totient is φ = 7041216.

The previous prime is 11028049. The next prime is 11028131. The reversal of 11028081 is 18082011.

It is not a de Polignac number, because 11028081 - 2⁵ = 11028049 is a prime.

It is a super-2 number, since 2×11028081² = 243237141085122, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11028001) 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, 6031 + ... + 7643.

It is an arithmetic number, because the mean of its divisors is an integer number (958716).

Almost surely, 2^11028081 is an apocalyptic number.

It is an amenable number.

11028081 is a deficient number, since it is larger than the sum of its proper divisors (4311375).

11028081 is a wasteful number, since it uses less digits than its factorization.

11028081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712.

The product of its (nonzero) digits is 128, while the sum is 21.

The square root of 11028081 is about 3320.8554620760. The cubic root of 11028081 is about 222.5870954741.

The spelling of 11028081 in words is "eleven million, twenty-eight thousand, eighty-one".