11056566534 has 32 divisors (see below), whose sum is σ = 24059666400. Its totient is φ = 3366945792.

The previous prime is 11056566517. The next prime is 11056566541. The reversal of 11056566534 is 43566565011.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 723109 + ... + 738240.

It is an arithmetic number, because the mean of its divisors is an integer number (751864575).

Almost surely, 2^11056566534 is an apocalyptic number.

11056566534 is an abundant number, since it is smaller than the sum of its proper divisors (13003099866).

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

11056566534 is a wasteful number, since it uses less digits than its factorization.

11056566534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1461464.

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 11056566534 in words is "eleven billion, fifty-six million, five hundred sixty-six thousand, five hundred thirty-four".