1011011101187 has 2 divisors, whose sum is σ = 1011011101188. Its totient is φ = 1011011101186.

The previous prime is 1011011101151. The next prime is 1011011101207. The reversal of 1011011101187 is 7811011101101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1011011101187 - 2¹⁰ = 1011011100163 is a prime.

It is not a weakly prime, because it can be changed into another prime (1011011101687) 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, 505505550593 + 505505550594.

It is an arithmetic number, because the mean of its divisors is an integer number (505505550594).

Almost surely, 2^{1011011101187} is an apocalyptic number.

1011011101187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1011011101187 is an equidigital number, since it uses as much as digits as its factorization.

1011011101187 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 1011011101187 its reverse (7811011101101), we get a palindrome (8822022202288).

The spelling of 1011011101187 in words is "one trillion, eleven billion, eleven million, one hundred one thousand, one hundred eighty-seven".