1011011111087 has 2 divisors, whose sum is σ = 1011011111088. Its totient is φ = 1011011111086.

The previous prime is 1011011111009. The next prime is 1011011111137. The reversal of 1011011111087 is 7801111101101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1011011111087 - 2¹⁰ = 1011011110063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1011011117087) 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, 505505555543 + 505505555544.

It is an arithmetic number, because the mean of its divisors is an integer number (505505555544).

Almost surely, 2^{1011011111087} is an apocalyptic number.

1011011111087 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011011111087 is an equidigital number, since it uses as much as digits as its factorization.

1011011111087 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 23.

Adding to 1011011111087 its reverse (7801111101101), we get a palindrome (8812122212188).

The spelling of 1011011111087 in words is "one trillion, eleven billion, eleven million, one hundred eleven thousand, eighty-seven".