11149440566 has 16 divisors (see below), whose sum is σ = 18279442368. Its totient is φ = 5058232200.

The previous prime is 11149440541. The next prime is 11149440607. The reversal of 11149440566 is 66504494111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473000 + ... + 496011.

It is an arithmetic number, because the mean of its divisors is an integer number (1142465148).

Almost surely, 2^11149440566 is an apocalyptic number.

11149440566 is a deficient number, since it is larger than the sum of its proper divisors (7130001802).

11149440566 is a wasteful number, since it uses less digits than its factorization.

11149440566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969547.

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 11149440566 in words is "eleven billion, one hundred forty-nine million, four hundred forty thousand, five hundred sixty-six".