11056566672 has 60 divisors (see below), whose sum is σ = 30950105004. Its totient is φ = 3684679680.

The previous prime is 11056566667. The next prime is 11056566683. The reversal of 11056566672 is 27666565011.

It can be written as a sum of positive squares in 2 ways, for example, as 9197577216 + 1858989456 = 95904^2 + 43116^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1186672 + ... + 1195952.

Almost surely, 2^11056566672 is an apocalyptic number.

11056566672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11056566672 is an abundant number, since it is smaller than the sum of its proper divisors (19893538332).

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

11056566672 is a wasteful number, since it uses less digits than its factorization.

11056566672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17568 (or 17559 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 11056566672 in words is "eleven billion, fifty-six million, five hundred sixty-six thousand, six hundred seventy-two".