11043663450666 has 256 divisors, whose sum is σ = 28649967058944. Its totient is φ = 2754144000000.

The previous prime is 11043663450607. The next prime is 11043663450671. The reversal of 11043663450666 is 66605436634011.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 945432346 + ... + 945444026.

It is an arithmetic number, because the mean of its divisors is an integer number (111913933824).

Almost surely, 2^{11043663450666} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11043663450666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14324983529472).

11043663450666 is an abundant number, since it is smaller than the sum of its proper divisors (17606303608278).

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

11043663450666 is a wasteful number, since it uses less digits than its factorization.

11043663450666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12249.

The product of its (nonzero) digits is 5598720, while the sum is 51.

The spelling of 11043663450666 in words is "eleven trillion, forty-three billion, six hundred sixty-three million, four hundred fifty thousand, six hundred sixty-six".