11056667556 has 96 divisors (see below), whose sum is σ = 28508135040. Its totient is φ = 3307392000.

The previous prime is 11056667521. The next prime is 11056667593. The reversal of 11056667556 is 65576665011.

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, 5291760 + ... + 5293848.

It is an arithmetic number, because the mean of its divisors is an integer number (296959740).

Almost surely, 2^11056667556 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 11056667556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14254067520).

11056667556 is an abundant number, since it is smaller than the sum of its proper divisors (17451467484).

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

11056667556 is a wasteful number, since it uses less digits than its factorization.

11056667556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2605 (or 2603 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 48.

The spelling of 11056667556 in words is "eleven billion, fifty-six million, six hundred sixty-seven thousand, five hundred fifty-six".