11144103440 has 40 divisors (see below), whose sum is σ = 27273730560. Its totient is φ = 4223028096.

The previous prime is 11144103433. The next prime is 11144103461. The reversal of 11144103440 is 4430144111.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3664304 + ... + 3667343.

It is an arithmetic number, because the mean of its divisors is an integer number (681843264).

Almost surely, 2^11144103440 is an apocalyptic number.

11144103440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11144103440 is an abundant number, since it is smaller than the sum of its proper divisors (16129627120).

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

11144103440 is a wasteful number, since it uses less digits than its factorization.

11144103440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7331679 (or 7331673 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 11144103440 its reverse (4430144111), we get a palindrome (15574247551).

The spelling of 11144103440 in words is "eleven billion, one hundred forty-four million, one hundred three thousand, four hundred forty".