11456344260666 has 48 divisors (see below), whose sum is σ = 25249731991848. Its totient is φ = 3753091584000.

The previous prime is 11456344260563. The next prime is 11456344260667. The reversal of 11456344260666 is 66606244365411.

It can be written as a sum of positive squares in 4 ways, for example, as 9011433629025 + 2444910631641 = 3001905^2 + 1563621^2 .

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11456344260667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2950435 + ... + 5622966.

Almost surely, 2^{11456344260666} is an apocalyptic number.

11456344260666 is an abundant number, since it is smaller than the sum of its proper divisors (13793387731182).

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

11456344260666 is a wasteful number, since it uses less digits than its factorization.

11456344260666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8574687 (or 8574684 counting only the distinct ones).

The product of its (nonzero) digits is 14929920, while the sum is 54.

The spelling of 11456344260666 in words is "eleven trillion, four hundred fifty-six billion, three hundred forty-four million, two hundred sixty thousand, six hundred sixty-six".