11140443543 has 8 divisors (see below), whose sum is σ = 15105686400. Its totient is φ = 7301081528.

The previous prime is 11140443541. The next prime is 11140443551. The reversal of 11140443543 is 34534404111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11140443543 - 2¹ = 11140443541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11140443543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11140443541) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31470003 + ... + 31470356.

It is an arithmetic number, because the mean of its divisors is an integer number (1888210800).

Almost surely, 2^11140443543 is an apocalyptic number.

11140443543 is a deficient number, since it is larger than the sum of its proper divisors (3965242857).

11140443543 is an equidigital number, since it uses as much as digits as its factorization.

11140443543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62940421.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 11140443543 its reverse (34534404111), we get a palindrome (45674847654).

The spelling of 11140443543 in words is "eleven billion, one hundred forty million, four hundred forty-three thousand, five hundred forty-three".