11560555541 has 2 divisors, whose sum is σ = 11560555542. Its totient is φ = 11560555540.

The previous prime is 11560555507. The next prime is 11560555571. The reversal of 11560555541 is 14555506511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7855276900 + 3705278641 = 88630^2 + 60871^2 .

It is a cyclic number.

It is not a de Polignac number, because 11560555541 - 2¹⁰ = 11560554517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11560555495 and 11560555504.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11560555571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5780277770 + 5780277771.

It is an arithmetic number, because the mean of its divisors is an integer number (5780277771).

Almost surely, 2^11560555541 is an apocalyptic number.

It is an amenable number.

11560555541 is a deficient number, since it is larger than the sum of its proper divisors (1).

11560555541 is an equidigital number, since it uses as much as digits as its factorization.

11560555541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75000, while the sum is 38.

The spelling of 11560555541 in words is "eleven billion, five hundred sixty million, five hundred fifty-five thousand, five hundred forty-one".