11047644787776 has 56 divisors (see below), whose sum is σ = 30238165705920. Its totient is φ = 3555563837952.

The previous prime is 11047644787769. The next prime is 11047644787813. The reversal of 11047644787776 is 67778744674011.

It is a self number, because there is not a number n which added to its sum of digits gives 11047644787776.

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, 992060236 + ... + 992071371.

Almost surely, 2^{11047644787776} is an apocalyptic number.

11047644787776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11047644787776 is an abundant number, since it is smaller than the sum of its proper divisors (19190520918144).

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

11047644787776 is a wasteful number, since it uses less digits than its factorization.

11047644787776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1984131651 (or 1984131641 counting only the distinct ones).

The product of its (nonzero) digits is 309786624, while the sum is 69.

The spelling of 11047644787776 in words is "eleven trillion, forty-seven billion, six hundred forty-four million, seven hundred eighty-seven thousand, seven hundred seventy-six".