11144543651044 has 6 divisors (see below), whose sum is σ = 19502951389334. Its totient is φ = 5572271825520.

The previous prime is 11144543651041. The next prime is 11144543651077. The reversal of 11144543651044 is 44015634544111.

It can be written as a sum of positive squares in only one way, i.e., 10304549404900 + 839994246144 = 3210070^2 + 916512^2 .

It is not an unprimeable number, because it can be changed into a prime (11144543651041) 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 as a sum of consecutive naturals, namely, 1393067956377 + ... + 1393067956384.

Almost surely, 2^{11144543651044} is an apocalyptic number.

It is an amenable number.

11144543651044 is a deficient number, since it is larger than the sum of its proper divisors (8358407738290).

11144543651044 is a wasteful number, since it uses less digits than its factorization.

11144543651044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2786135912765 (or 2786135912763 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 43.

The spelling of 11144543651044 in words is "eleven trillion, one hundred forty-four billion, five hundred forty-three million, six hundred fifty-one thousand, forty-four".