11100111001087 has 2 divisors, whose sum is σ = 11100111001088. Its totient is φ = 11100111001086.

The previous prime is 11100111000991. The next prime is 11100111001117. The reversal of 11100111001087 is 78010011100111.

It is a strong prime.

It is an emirp because it is prime and its reverse (78010011100111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11100111001087 - 2¹¹ = 11100110999039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11100111001687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550055500543 + 5550055500544.

It is an arithmetic number, because the mean of its divisors is an integer number (5550055500544).

Almost surely, 2^{11100111001087} is an apocalyptic number.

11100111001087 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100111001087 is an equidigital number, since it uses as much as digits as its factorization.

11100111001087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 22.

Adding to 11100111001087 its reverse (78010011100111), we get a palindrome (89110122101198).

The spelling of 11100111001087 in words is "eleven trillion, one hundred billion, one hundred eleven million, one thousand, eighty-seven".