11121323004 has 60 divisors (see below), whose sum is σ = 31716375768. Its totient is φ = 3370096800.

The previous prime is 11121322997. The next prime is 11121323023. The reversal of 11121323004 is 40032312111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1556667 + ... + 1563794.

Almost surely, 2^11121323004 is an apocalyptic number.

It is an amenable number.

11121323004 is an abundant number, since it is smaller than the sum of its proper divisors (20595052764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11121323004 is a wasteful number, since it uses less digits than its factorization.

11121323004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3120488 (or 3120477 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11121323004 its reverse (40032312111), we get a palindrome (51153635115).

It can be divided in two parts, 1112132 and 3004, that added together give a square (1115136 = 1056²).

The spelling of 11121323004 in words is "eleven billion, one hundred twenty-one million, three hundred twenty-three thousand, four".