105550433333 has 4 divisors (see below), whose sum is σ = 108124834188. Its totient is φ = 102976032480.

The previous prime is 105550433269. The next prime is 105550433381. The reversal of 105550433333 is 333334055501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 63878518564 + 41671914769 = 252742^2 + 204137^2 .

It is a cyclic number.

It is not a de Polignac number, because 105550433333 - 2⁶ = 105550433269 is a prime.

It is a super-2 number, since 2×105550433333² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105550433293 and 105550433302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105550432333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1287200366 + ... + 1287200447.

It is an arithmetic number, because the mean of its divisors is an integer number (27031208547).

Almost surely, 2^105550433333 is an apocalyptic number.

It is an amenable number.

105550433333 is a deficient number, since it is larger than the sum of its proper divisors (2574400855).

105550433333 is an equidigital number, since it uses as much as digits as its factorization.

105550433333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2574400854.

The product of its (nonzero) digits is 121500, while the sum is 35.

Adding to 105550433333 its reverse (333334055501), we get a palindrome (438884488834).

The spelling of 105550433333 in words is "one hundred five billion, five hundred fifty million, four hundred thirty-three thousand, three hundred thirty-three".