105775533355049 has 4 divisors (see below), whose sum is σ = 105782374812420. Its totient is φ = 105768691897680.

The previous prime is 105775533355003. The next prime is 105775533355057. The reversal of 105775533355049 is 940553335577501.

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 7736920267024 + 98038613088025 = 2781532^2 + 9901445^2 .

It is a cyclic number.

It is not a de Polignac number, because 105775533355049 - 2⁸ = 105775533354793 is a prime.

It is a super-2 number, since 2×105775533355049² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 105775533354982 and 105775533355000.

It is not an unprimeable number, because it can be changed into a prime (105775533655049) 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, 3420705494 + ... + 3420736415.

It is an arithmetic number, because the mean of its divisors is an integer number (26445593703105).

Almost surely, 2^{105775533355049} is an apocalyptic number.

It is an amenable number.

105775533355049 is a deficient number, since it is larger than the sum of its proper divisors (6841457371).

105775533355049 is an equidigital number, since it uses as much as digits as its factorization.

105775533355049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6841457370.

The product of its (nonzero) digits is 148837500, while the sum is 62.

The spelling of 105775533355049 in words is "one hundred five trillion, seven hundred seventy-five billion, five hundred thirty-three million, three hundred fifty-five thousand, forty-nine".