1366112011266 has 40 divisors (see below), whose sum is σ = 3061231703244. Its totient is φ = 455351500800.

The previous prime is 1366112011247. The next prime is 1366112011289. The reversal of 1366112011266 is 6621102116631.

1366112011266 is a `hidden beast` number, since 1 + 3 + 6 + 611 + 2 + 0 + 11 + 26 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 802968327225 + 563143684041 = 896085^2 + 750429^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1366112011266.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3982666 + ... + 4312058.

Almost surely, 2^{1366112011266} is an apocalyptic number.

1366112011266 is an abundant number, since it is smaller than the sum of its proper divisors (1695119691978).

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

1366112011266 is a wasteful number, since it uses less digits than its factorization.

1366112011266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355008 (or 354999 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

Adding to 1366112011266 its reverse (6621102116631), we get a palindrome (7987214127897).

The spelling of 1366112011266 in words is "one trillion, three hundred sixty-six billion, one hundred twelve million, eleven thousand, two hundred sixty-six".