11560544197 has 2 divisors, whose sum is σ = 11560544198. Its totient is φ = 11560544196.

The previous prime is 11560544141. The next prime is 11560544209. The reversal of 11560544197 is 79144506511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11336712676 + 223831521 = 106474^2 + 14961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11560544197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11560544117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5780272098 + 5780272099.

It is an arithmetic number, because the mean of its divisors is an integer number (5780272099).

Almost surely, 2^11560544197 is an apocalyptic number.

It is an amenable number.

11560544197 is a deficient number, since it is larger than the sum of its proper divisors (1).

11560544197 is an equidigital number, since it uses as much as digits as its factorization.

11560544197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 11560544197 in words is "eleven billion, five hundred sixty million, five hundred forty-four thousand, one hundred ninety-seven".