11056566678 has 32 divisors (see below), whose sum is σ = 23844723840. Its totient is φ = 3406386240.

The previous prime is 11056566667. The next prime is 11056566683. The reversal of 11056566678 is 87666565011.

It is a self number, because there is not a number n which added to its sum of digits gives 11056566678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1178100 + ... + 1187447.

It is an arithmetic number, because the mean of its divisors is an integer number (745147620).

Almost surely, 2^11056566678 is an apocalyptic number.

11056566678 is an abundant number, since it is smaller than the sum of its proper divisors (12788157162).

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

11056566678 is a wasteful number, since it uses less digits than its factorization.

11056566678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2365612.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The spelling of 11056566678 in words is "eleven billion, fifty-six million, five hundred sixty-six thousand, six hundred seventy-eight".