105543211330 has 32 divisors (see below), whose sum is σ = 190346499504. Its totient is φ = 42135419136.

The previous prime is 105543211273. The next prime is 105543211357. The reversal of 105543211330 is 33112345501.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 86670771201 + 18872440129 = 294399^2 + 137377^2 .

It is a super-2 number, since 2×105543211330² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

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, 18153504 + ... + 18159316.

Almost surely, 2^105543211330 is an apocalyptic number.

105543211330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105543211330 is a deficient number, since it is larger than the sum of its proper divisors (84803288174).

105543211330 is a wasteful number, since it uses less digits than its factorization.

105543211330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9030.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 105543211330 its reverse (33112345501), we get a palindrome (138655556831).

The spelling of 105543211330 in words is "one hundred five billion, five hundred forty-three million, two hundred eleven thousand, three hundred thirty".