11560555087 has 2 divisors, whose sum is σ = 11560555088. Its totient is φ = 11560555086.

The previous prime is 11560555043. The next prime is 11560555109. The reversal of 11560555087 is 78055506511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11560555087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11560550087) by changing a digit.

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 as a sum of consecutive naturals, namely, 5780277543 + 5780277544.

It is an arithmetic number, because the mean of its divisors is an integer number (5780277544).

Almost surely, 2^11560555087 is an apocalyptic number.

11560555087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11560555087 is an equidigital number, since it uses as much as digits as its factorization.

11560555087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 210000, while the sum is 43.

The spelling of 11560555087 in words is "eleven billion, five hundred sixty million, five hundred fifty-five thousand, eighty-seven".