11011110010987 has 2 divisors, whose sum is σ = 11011110010988. Its totient is φ = 11011110010986.

The previous prime is 11011110010949. The next prime is 11011110011023. The reversal of 11011110010987 is 78901001111011.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011110010987 is a prime.

It is not a weakly prime, because it can be changed into another prime (11011110010387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505555005493 + 5505555005494.

It is an arithmetic number, because the mean of its divisors is an integer number (5505555005494).

Almost surely, 2^{11011110010987} is an apocalyptic number.

11011110010987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011110010987 is an equidigital number, since it uses as much as digits as its factorization.

11011110010987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 31.

Adding to 11011110010987 its reverse (78901001111011), we get a palindrome (89912111121998).

The spelling of 11011110010987 in words is "eleven trillion, eleven billion, one hundred ten million, ten thousand, nine hundred eighty-seven".