11011010987 has 2 divisors, whose sum is σ = 11011010988. Its totient is φ = 11011010986.

The previous prime is 11011010981. The next prime is 11011011001. The reversal of 11011010987 is 78901011011.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011010987 is a prime.

It is not a weakly prime, because it can be changed into another prime (11011010981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505505493 + 5505505494.

It is an arithmetic number, because the mean of its divisors is an integer number (5505505494).

Almost surely, 2^11011010987 is an apocalyptic number.

11011010987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011010987 is an equidigital number, since it uses as much as digits as its factorization.

11011010987 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 29.

Adding to 11011010987 its reverse (78901011011), we get a palindrome (89912021998).

The spelling of 11011010987 in words is "eleven billion, eleven million, ten thousand, nine hundred eighty-seven".