11544866768 has 10 divisors (see below), whose sum is σ = 22368179394. Its totient is φ = 5772433376.

The previous prime is 11544866759. The next prime is 11544866777. The reversal of 11544866768 is 86766844511.

It is an interprime number because it is at equal distance from previous prime (11544866759) and next prime (11544866777).

It can be written as a sum of positive squares in only one way, i.e., 6382731664 + 5162135104 = 79892^2 + 71848^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360777071 + ... + 360777102.

Almost surely, 2^11544866768 is an apocalyptic number.

It is an amenable number.

11544866768 is a deficient number, since it is larger than the sum of its proper divisors (10823312626).

11544866768 is an equidigital number, since it uses as much as digits as its factorization.

11544866768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721554181 (or 721554175 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 56.

The spelling of 11544866768 in words is "eleven billion, five hundred forty-four million, eight hundred sixty-six thousand, seven hundred sixty-eight".