11289727087 has 2 divisors, whose sum is σ = 11289727088. Its totient is φ = 11289727086.

The previous prime is 11289727069. The next prime is 11289727091. The reversal of 11289727087 is 78072798211.

11289727087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11289727087 - 2¹¹ = 11289725039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11289727987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5644863543 + 5644863544.

It is an arithmetic number, because the mean of its divisors is an integer number (5644863544).

Almost surely, 2^11289727087 is an apocalyptic number.

11289727087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11289727087 is an equidigital number, since it uses as much as digits as its factorization.

11289727087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 790272, while the sum is 52.

The spelling of 11289727087 in words is "eleven billion, two hundred eighty-nine million, seven hundred twenty-seven thousand, eighty-seven".