11061666055516 has 24 divisors (see below), whose sum is σ = 19439830880624. Its totient is φ = 5507432421120.

The previous prime is 11061666055477. The next prime is 11061666055523. The reversal of 11061666055516 is 61555066616011.

It is a self number, because there is not a number n which added to its sum of digits gives 11061666055516.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11463871 + ... + 12391273.

Almost surely, 2^{11061666055516} is an apocalyptic number.

It is an amenable number.

11061666055516 is a deficient number, since it is larger than the sum of its proper divisors (8378164825108).

11061666055516 is a wasteful number, since it uses less digits than its factorization.

11061666055516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940021 (or 940019 counting only the distinct ones).

The product of its (nonzero) digits is 972000, while the sum is 49.

The spelling of 11061666055516 in words is "eleven trillion, sixty-one billion, six hundred sixty-six million, fifty-five thousand, five hundred sixteen".