105500500050047 has 4 divisors (see below), whose sum is σ = 105500522579760. Its totient is φ = 105500477520336.

The previous prime is 105500500050031. The next prime is 105500500050059. The reversal of 105500500050047 is 740050005005501.

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

It is a cyclic number.

It is not a de Polignac number, because 105500500050047 - 2⁴ = 105500500050031 is a prime.

It is a super-2 number, since 2×105500500050047² (a number of 29 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 = 105500500049995 and 105500500050022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105500500050097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1306022 + ... + 14584467.

It is an arithmetic number, because the mean of its divisors is an integer number (26375130644940).

Almost surely, 2^{105500500050047} is an apocalyptic number.

105500500050047 is a deficient number, since it is larger than the sum of its proper divisors (22529713).

105500500050047 is an equidigital number, since it uses as much as digits as its factorization.

105500500050047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22529712.

The product of its (nonzero) digits is 17500, while the sum is 32.

Adding to 105500500050047 its reverse (740050005005501), we get a palindrome (845550505055548).

The spelling of 105500500050047 in words is "one hundred five trillion, five hundred billion, five hundred million, fifty thousand, forty-seven".