11128145 has 24 divisors (see below), whose sum is σ = 15845544. Its totient is φ = 7478016.

The previous prime is 11128133. The next prime is 11128147. The reversal of 11128145 is 54182111.

11128145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4528384 + 6599761 = 2128^2 + 2569^2 .

It is not a de Polignac number, because 11128145 - 2¹⁸ = 10866001 is a prime.

It is a super-2 number, since 2×11128145² = 247671222282050, which contains 22 as substring.

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 11128145.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11128147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12557 + ... + 13413.

It is an arithmetic number, because the mean of its divisors is an integer number (660231).

Almost surely, 2^11128145 is an apocalyptic number.

It is an amenable number.

11128145 is a deficient number, since it is larger than the sum of its proper divisors (4717399).

11128145 is an equidigital number, since it uses as much as digits as its factorization.

11128145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 922 counting only the distinct ones).

The product of its digits is 320, while the sum is 23.

The square root of 11128145 is about 3335.8874381490. The cubic root of 11128145 is about 223.2582889371.

The spelling of 11128145 in words is "eleven million, one hundred twenty-eight thousand, one hundred forty-five".