11123143321066 has 72 divisors (see below), whose sum is σ = 20314993396896. Its totient is φ = 4473592116480.

The previous prime is 11123143321051. The next prime is 11123143321109. The reversal of 11123143321066 is 66012334132111.

11123143321066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 492795561 + ... + 492818131.

It is an arithmetic number, because the mean of its divisors is an integer number (282152686068).

Almost surely, 2^{11123143321066} is an apocalyptic number.

11123143321066 is a deficient number, since it is larger than the sum of its proper divisors (9191850075830).

11123143321066 is an equidigital number, since it uses as much as digits as its factorization.

11123143321066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23312 (or 22946 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 34.

Adding to 11123143321066 its reverse (66012334132111), we get a palindrome (77135477453177).

The spelling of 11123143321066 in words is "eleven trillion, one hundred twenty-three billion, one hundred forty-three million, three hundred twenty-one thousand, sixty-six".