11543440014544 has 10 divisors (see below), whose sum is σ = 22365415028210. Its totient is φ = 5771720007264.

The previous prime is 11543440014527. The next prime is 11543440014641. The reversal of 11543440014544 is 44541004434511.

It can be written as a sum of positive squares in only one way, i.e., 9437110272144 + 2106329742400 = 3071988^2 + 1451320^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11543440014497 and 11543440014506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360732500439 + ... + 360732500470.

It is an arithmetic number, because the mean of its divisors is an integer number (2236541502821).

Almost surely, 2^{11543440014544} is an apocalyptic number.

It is an amenable number.

11543440014544 is a deficient number, since it is larger than the sum of its proper divisors (10821975013666).

11543440014544 is an equidigital number, since it uses as much as digits as its factorization.

11543440014544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 721465000917 (or 721465000911 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 40.

The spelling of 11543440014544 in words is "eleven trillion, five hundred forty-three billion, four hundred forty million, fourteen thousand, five hundred forty-four".