11540316443 has 8 divisors (see below), whose sum is σ = 11714514768. Its totient is φ = 11366175744.

The previous prime is 11540316439. The next prime is 11540316449. The reversal of 11540316443 is 34461304511.

It is a happy number.

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 11540316443 - 2² = 11540316439 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11540316449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 560255 + ... + 580487.

It is an arithmetic number, because the mean of its divisors is an integer number (1464314346).

Almost surely, 2^11540316443 is an apocalyptic number.

11540316443 is a deficient number, since it is larger than the sum of its proper divisors (174198325).

11540316443 is an equidigital number, since it uses as much as digits as its factorization.

11540316443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28813.

The product of its (nonzero) digits is 17280, while the sum is 32.

The spelling of 11540316443 in words is "eleven billion, five hundred forty million, three hundred sixteen thousand, four hundred forty-three".