11056287991672 has 128 divisors (see below), whose sum is σ = 26047770877440. Its totient is φ = 4274026260480.

The previous prime is 11056287991669. The next prime is 11056287991729. The reversal of 11056287991672 is 27619978265011.

11056287991672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171030268 + ... + 171094900.

It is an arithmetic number, because the mean of its divisors is an integer number (203498209980).

Almost surely, 2^{11056287991672} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11056287991672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13023885438720).

11056287991672 is an abundant number, since it is smaller than the sum of its proper divisors (14991482885768).

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

11056287991672 is a wasteful number, since it uses less digits than its factorization.

11056287991672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66821 (or 66817 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 64.

The spelling of 11056287991672 in words is "eleven trillion, fifty-six billion, two hundred eighty-seven million, nine hundred ninety-one thousand, six hundred seventy-two".