105543411321 has 8 divisors (see below), whose sum is σ = 140907548320. Its totient is φ = 70270774272.

The previous prime is 105543411317. The next prime is 105543411343. The reversal of 105543411321 is 123114345501.

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

It is not a de Polignac number, because 105543411321 - 2² = 105543411317 is a prime.

It is a super-2 number, since 2×105543411321² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105543411121) 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, 22872295 + ... + 22876908.

It is an arithmetic number, because the mean of its divisors is an integer number (17613443540).

Almost surely, 2^105543411321 is an apocalyptic number.

It is an amenable number.

105543411321 is a deficient number, since it is larger than the sum of its proper divisors (35364136999).

105543411321 is an equidigital number, since it uses as much as digits as its factorization.

105543411321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45749975.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 105543411321 its reverse (123114345501), we get a palindrome (228657756822).

The spelling of 105543411321 in words is "one hundred five billion, five hundred forty-three million, four hundred eleven thousand, three hundred twenty-one".