11056566541 has 2 divisors, whose sum is σ = 11056566542. Its totient is φ = 11056566540.

The previous prime is 11056566517. The next prime is 11056566569. The reversal of 11056566541 is 14566565011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10950785316 + 105781225 = 104646^2 + 10285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11056566541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11056566494 and 11056566503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11056567541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5528283270 + 5528283271.

It is an arithmetic number, because the mean of its divisors is an integer number (5528283271).

Almost surely, 2^11056566541 is an apocalyptic number.

It is an amenable number.

11056566541 is a deficient number, since it is larger than the sum of its proper divisors (1).

11056566541 is an equidigital number, since it uses as much as digits as its factorization.

11056566541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108000, while the sum is 40.

The spelling of 11056566541 in words is "eleven billion, fifty-six million, five hundred sixty-six thousand, five hundred forty-one".