105355021266 has 24 divisors (see below), whose sum is σ = 249020959824. Its totient is φ = 31925763960.

The previous prime is 105355021253. The next prime is 105355021271. The reversal of 105355021266 is 662120553501.

105355021266 is a `hidden beast` number, since 1 + 0 + 535 + 50 + 2 + 12 + 66 = 666.

It is a super-2 number, since 2×105355021266² (a number of 23 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 105355021266.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 266047836 + ... + 266048231.

It is an arithmetic number, because the mean of its divisors is an integer number (10375873326).

Almost surely, 2^105355021266 is an apocalyptic number.

105355021266 is an abundant number, since it is smaller than the sum of its proper divisors (143665938558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105355021266 is a wasteful number, since it uses less digits than its factorization.

105355021266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532096086 (or 532096083 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 105355021266 its reverse (662120553501), we get a palindrome (767475574767).

The spelling of 105355021266 in words is "one hundred five billion, three hundred fifty-five million, twenty-one thousand, two hundred sixty-six".