1116661005567 has 16 divisors (see below), whose sum is σ = 1662884176480. Its totient is φ = 740583461376.

The previous prime is 1116661005557. The next prime is 1116661005571. The reversal of 1116661005567 is 7655001666111.

It is not a de Polignac number, because 1116661005567 - 2³⁹ = 566905191679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1116661005557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 107139388 + ... + 107149809.

It is an arithmetic number, because the mean of its divisors is an integer number (103930261030).

Almost surely, 2^{1116661005567} is an apocalyptic number.

1116661005567 is a deficient number, since it is larger than the sum of its proper divisors (546223170913).

1116661005567 is a wasteful number, since it uses less digits than its factorization.

1116661005567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214289399 (or 214289393 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The spelling of 1116661005567 in words is "one trillion, one hundred sixteen billion, six hundred sixty-one million, five thousand, five hundred sixty-seven".