11873662780266 has 320 divisors, whose sum is σ = 33249608663040. Its totient is φ = 3091356576000.

The previous prime is 11873662780253. The next prime is 11873662780321. The reversal of 11873662780266 is 66208726637811.

11873662780266 is a `hidden beast` number, since 1 + 1 + 8 + 7 + 366 + 2 + 7 + 8 + 0 + 266 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 62625751 + ... + 62815061.

It is an arithmetic number, because the mean of its divisors is an integer number (103905027072).

Almost surely, 2^{11873662780266} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11873662780266, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16624804331520).

11873662780266 is an abundant number, since it is smaller than the sum of its proper divisors (21375945882774).

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

11873662780266 is a wasteful number, since it uses less digits than its factorization.

11873662780266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189463 (or 189454 counting only the distinct ones).

The product of its (nonzero) digits is 48771072, while the sum is 63.

The spelling of 11873662780266 in words is "eleven trillion, eight hundred seventy-three billion, six hundred sixty-two million, seven hundred eighty thousand, two hundred sixty-six".