11056543256 has 32 divisors (see below), whose sum is σ = 23598950400. Its totient is φ = 4807191840.

The previous prime is 11056543243. The next prime is 11056543261. The reversal of 11056543256 is 65234565011.

It is a congruent number.

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, 2729336 + ... + 2733383.

It is an arithmetic number, because the mean of its divisors is an integer number (737467200).

Almost surely, 2^11056543256 is an apocalyptic number.

It is an amenable number.

11056543256 is an abundant number, since it is smaller than the sum of its proper divisors (12542407144).

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

11056543256 is a wasteful number, since it uses less digits than its factorization.

11056543256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462759 (or 5462755 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 11056543256 in words is "eleven billion, fifty-six million, five hundred forty-three thousand, two hundred fifty-six".