11355344143 has 16 divisors (see below), whose sum is σ = 13344057216. Its totient is φ = 9526451040.

The previous prime is 11355344137. The next prime is 11355344171. The reversal of 11355344143 is 34144355311.

11355344143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11355344143 - 2⁵ = 11355344111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11355344099 and 11355344108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11355344443) 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 15 ways as a sum of consecutive naturals, for example, 705180 + ... + 721102.

It is an arithmetic number, because the mean of its divisors is an integer number (834003576).

Almost surely, 2^11355344143 is an apocalyptic number.

11355344143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11355344143 is a deficient number, since it is larger than the sum of its proper divisors (1988713073).

11355344143 is a wasteful number, since it uses less digits than its factorization.

11355344143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20934.

The product of its digits is 43200, while the sum is 34.

Adding to 11355344143 its reverse (34144355311), we get a palindrome (45499699454).

The spelling of 11355344143 in words is "eleven billion, three hundred fifty-five million, three hundred forty-four thousand, one hundred forty-three".