11128833 has 10 divisors (see below), whose sum is σ = 16624674. Its totient is φ = 7419168.

The previous prime is 11128811. The next prime is 11128853. The reversal of 11128833 is 33882111.

It can be written as a sum of positive squares in only one way, i.e., 10909809 + 219024 = 3303^2 + 468^2 .

It is not a de Polignac number, because 11128833 - 2⁶ = 11128769 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 11128797 and 11128806.

It is not an unprimeable number, because it can be changed into a prime (11128853) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 68616 + ... + 68777.

It is a Proth number, since it is equal to 2717 ⋅ 2¹² + 1 and 2717 < 2¹².

Almost surely, 2^11128833 is an apocalyptic number.

It is an amenable number.

11128833 is a deficient number, since it is larger than the sum of its proper divisors (5495841).

11128833 is an equidigital number, since it uses as much as digits as its factorization.

11128833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137405 (or 137396 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 11128833 is about 3335.9905575406. The cubic root of 11128833 is about 223.2628898398.

The spelling of 11128833 in words is "eleven million, one hundred twenty-eight thousand, eight hundred thirty-three".