11154440000 has 280 divisors, whose sum is σ = 30594031776. Its totient is φ = 4000000000.

The previous prime is 11154439963. The next prime is 11154440009. The reversal of 11154440000 is 4445111.

11154440000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11154440009) 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 39 ways as a sum of consecutive naturals, for example, 44439875 + ... + 44440125.

Almost surely, 2^11154440000 is an apocalyptic number.

11154440000 is a gapful number since it is divisible by the number (10) 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 11154440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15297015888).

11154440000 is an abundant number, since it is smaller than the sum of its proper divisors (19439591776).

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

11154440000 is a wasteful number, since it uses less digits than its factorization.

11154440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 370 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 11154440000 its reverse (4445111), we get a palindrome (11158885111).

It can be divided in two parts, 11154 and 440000, that added together give a palindrome (451154).

The spelling of 11154440000 in words is "eleven billion, one hundred fifty-four million, four hundred forty thousand".