11155120004 has 12 divisors (see below), whose sum is σ = 22310240064. Its totient is φ = 4780765704.

The previous prime is 11155119953. The next prime is 11155120007. The reversal of 11155120004 is 40002155111.

11155120004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

11155120004 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11155120007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199198544 + ... + 199198599.

It is an arithmetic number, because the mean of its divisors is an integer number (1859186672).

Almost surely, 2^11155120004 is an apocalyptic number.

11155120004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11155120004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11155120004 is a wasteful number, since it uses less digits than its factorization.

11155120004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398397154 (or 398397152 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 11155120004 its reverse (40002155111), we get a palindrome (51157275115).

The spelling of 11155120004 in words is "eleven billion, one hundred fifty-five million, one hundred twenty thousand, four".