11401331443 has 8 divisors (see below), whose sum is σ = 11591065440. Its totient is φ = 11212407360.

The previous prime is 11401331371. The next prime is 11401331467. The reversal of 11401331443 is 34413310411.

It is a happy number.

11401331443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11401331443 - 2²¹ = 11399234291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11401331483) 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 in 7 ways as a sum of consecutive naturals, for example, 174058 + ... + 230431.

It is an arithmetic number, because the mean of its divisors is an integer number (1448883180).

Almost surely, 2^11401331443 is an apocalyptic number.

11401331443 is a deficient number, since it is larger than the sum of its proper divisors (189733997).

11401331443 is an equidigital number, since it uses as much as digits as its factorization.

11401331443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404957.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 11401331443 its reverse (34413310411), we get a palindrome (45814641854).

The spelling of 11401331443 in words is "eleven billion, four hundred one million, three hundred thirty-one thousand, four hundred forty-three".