11123334578 has 16 divisors (see below), whose sum is σ = 17589297120. Its totient is φ = 5261106816.

The previous prime is 11123334577. The next prime is 11123334613. The reversal of 11123334578 is 87543332111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11123334577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191900 + ... + 243047.

It is an arithmetic number, because the mean of its divisors is an integer number (1099331070).

Almost surely, 2^11123334578 is an apocalyptic number.

11123334578 is a deficient number, since it is larger than the sum of its proper divisors (6465962542).

11123334578 is a wasteful number, since it uses less digits than its factorization.

11123334578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435641.

The product of its digits is 60480, while the sum is 38.

Adding to 11123334578 its reverse (87543332111), we get a palindrome (98666666689).

The spelling of 11123334578 in words is "eleven billion, one hundred twenty-three million, three hundred thirty-four thousand, five hundred seventy-eight".