11123333444 has 12 divisors (see below), whose sum is σ = 20610882684. Its totient is φ = 5234509824.

The previous prime is 11123333423. The next prime is 11123333453. The reversal of 11123333444 is 44433332111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7449761344 + 3673572100 = 86312^2 + 60610^2 .

It is a super-2 number, since 2×11123333444² (a number of 21 digits) contains 22 as substring.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81789149 + ... + 81789284.

It is an arithmetic number, because the mean of its divisors is an integer number (1717573557).

Almost surely, 2^11123333444 is an apocalyptic number.

It is an amenable number.

11123333444 is a deficient number, since it is larger than the sum of its proper divisors (9487549240).

11123333444 is a wasteful number, since it uses less digits than its factorization.

11123333444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163578454 (or 163578452 counting only the distinct ones).

The product of its digits is 10368, while the sum is 29.

Adding to 11123333444 its reverse (44433332111), we get a palindrome (55556665555).

The spelling of 11123333444 in words is "eleven billion, one hundred twenty-three million, three hundred thirty-three thousand, four hundred forty-four".