105973554305 has 4 divisors (see below), whose sum is σ = 127168265172. Its totient is φ = 84778843440.

The previous prime is 105973554289. The next prime is 105973554307. The reversal of 105973554305 is 503455379501.

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 75236101264 + 30737453041 = 274292^2 + 175321^2 .

It is not a de Polignac number, because 105973554305 - 2⁴ = 105973554289 is a prime.

It is a super-2 number, since 2×105973554305² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105973554305.

It is not an unprimeable number, because it can be changed into a prime (105973554307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10597355426 + ... + 10597355435.

It is an arithmetic number, because the mean of its divisors is an integer number (31792066293).

Almost surely, 2^105973554305 is an apocalyptic number.

It is an amenable number.

105973554305 is a deficient number, since it is larger than the sum of its proper divisors (21194710867).

105973554305 is an equidigital number, since it uses as much as digits as its factorization.

105973554305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21194710866.

The product of its (nonzero) digits is 1417500, while the sum is 47.

The spelling of 105973554305 in words is "one hundred five billion, nine hundred seventy-three million, five hundred fifty-four thousand, three hundred five".