105050049505 has 4 divisors (see below), whose sum is σ = 126060059412. Its totient is φ = 84040039600.

The previous prime is 105050049491. The next prime is 105050049521. The reversal of 105050049505 is 505940050501.

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 50226636769 + 54823412736 = 224113^2 + 234144^2 .

It is not a de Polignac number, because 105050049505 - 2¹⁷ = 105049918433 is a prime.

It is a super-2 number, since 2×105050049505² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10505004946 + ... + 10505004955.

It is an arithmetic number, because the mean of its divisors is an integer number (31515014853).

Almost surely, 2^105050049505 is an apocalyptic number.

It is an amenable number.

105050049505 is a deficient number, since it is larger than the sum of its proper divisors (21010009907).

105050049505 is an equidigital number, since it uses as much as digits as its factorization.

105050049505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21010009906.

The product of its (nonzero) digits is 22500, while the sum is 34.

The spelling of 105050049505 in words is "one hundred five billion, fifty million, forty-nine thousand, five hundred five".