12111400504 has 64 divisors (see below), whose sum is σ = 26370489600. Its totient is φ = 5107605504.

The previous prime is 12111400501. The next prime is 12111400517. The reversal of 12111400504 is 40500411121.

12111400504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12111400501) 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 15 ways as a sum of consecutive naturals, for example, 1189467 + ... + 1199605.

It is an arithmetic number, because the mean of its divisors is an integer number (412038900).

Almost surely, 2^12111400504 is an apocalyptic number.

12111400504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12111400504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13185244800).

12111400504 is an abundant number, since it is smaller than the sum of its proper divisors (14259089096).

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

12111400504 is a wasteful number, since it uses less digits than its factorization.

12111400504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10492 (or 10488 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 19.

Adding to 12111400504 its reverse (40500411121), we get a palindrome (52611811625).

The spelling of 12111400504 in words is "twelve billion, one hundred eleven million, four hundred thousand, five hundred four".