11123575033 has 4 divisors (see below), whose sum is σ = 11169731188. Its totient is φ = 11077418880.

The previous prime is 11123575027. The next prime is 11123575051. The reversal of 11123575033 is 33057532111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33057532111 = 41 ⋅806281271.

It can be written as a sum of positive squares in 2 ways, for example, as 10251967504 + 871607529 = 101252^2 + 29523^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11123575033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11123574986 and 11123575004.

It is not an unprimeable number, because it can be changed into a prime (11123575433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23077716 + ... + 23078197.

It is an arithmetic number, because the mean of its divisors is an integer number (2792432797).

Almost surely, 2^11123575033 is an apocalyptic number.

It is an amenable number.

11123575033 is a deficient number, since it is larger than the sum of its proper divisors (46156155).

11123575033 is an equidigital number, since it uses as much as digits as its factorization.

11123575033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46156154.

The product of its (nonzero) digits is 9450, while the sum is 31.

The spelling of 11123575033 in words is "eleven billion, one hundred twenty-three million, five hundred seventy-five thousand, thirty-three".