1111123004004 has 48 divisors (see below), whose sum is σ = 3102280755840. Its totient is φ = 341884000800.

The previous prime is 1111123004003. The next prime is 1111123004039. The reversal of 1111123004004 is 4004003211111.

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

It is not an unprimeable number, because it can be changed into a prime (1111123004003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 395697672 + ... + 395700479.

It is an arithmetic number, because the mean of its divisors is an integer number (64630849080).

Almost surely, 2^{1111123004004} is an apocalyptic number.

It is an amenable number.

1111123004004 is an abundant number, since it is smaller than the sum of its proper divisors (1991157751836).

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

1111123004004 is a wasteful number, since it uses less digits than its factorization.

1111123004004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791398177 (or 791398169 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 1111123004004 its reverse (4004003211111), we get a palindrome (5115126215115).

The spelling of 1111123004004 in words is "one trillion, one hundred eleven billion, one hundred twenty-three million, four thousand, four".