11056551606 has 24 divisors (see below), whose sum is σ = 24179752584. Its totient is φ = 3651072480.

The previous prime is 11056551581. The next prime is 11056551607. The reversal of 11056551606 is 60615565011.

It is a super-2 number, since 2×11056551606² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11056551607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2868415 + ... + 2872266.

It is an arithmetic number, because the mean of its divisors is an integer number (1007489691).

Almost surely, 2^11056551606 is an apocalyptic number.

11056551606 is an abundant number, since it is smaller than the sum of its proper divisors (13123200978).

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

11056551606 is a wasteful number, since it uses less digits than its factorization.

11056551606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5740796 (or 5740793 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 11056551606 in words is "eleven billion, fifty-six million, five hundred fifty-one thousand, six hundred six".