105530053203 has 40 divisors (see below), whose sum is σ = 158402534576. Its totient is φ = 70015492800.

The previous prime is 105530053199. The next prime is 105530053267. The reversal of 105530053203 is 302350035501.

105530053203 is a `hidden beast` number, since 105 + 5 + 300 + 53 + 203 = 666.

It is not a de Polignac number, because 105530053203 - 2² = 105530053199 is a prime.

It is a super-2 number, since 2×105530053203² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105530053273) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 16431933 + ... + 16438353.

Almost surely, 2^105530053203 is an apocalyptic number.

105530053203 is a deficient number, since it is larger than the sum of its proper divisors (52872481373).

105530053203 is an equidigital number, since it uses as much as digits as its factorization.

105530053203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7377 (or 7368 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

Adding to 105530053203 its reverse (302350035501), we get a palindrome (407880088704).

The spelling of 105530053203 in words is "one hundred five billion, five hundred thirty million, fifty-three thousand, two hundred three".