11010111011 has 4 divisors (see below), whose sum is σ = 11010505752.
Its totient is φ = 11009716272.
The previous prime is 11010110989. The next prime is 11010111023. The reversal of 11010111011 is 11011101011.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 11010111011 - 222 = 11005916707 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 11010111011.
It is not an unprimeable number, because it can be changed into a prime (11010111061) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 152066 + ... + 212471.
It is an arithmetic number, because the mean of its divisors is an integer number (2752626438).
Almost surely, 211010111011 is an apocalyptic number.
11010111011 is a deficient number, since it is larger than the sum of its proper divisors (394741).
11010111011 is an equidigital number, since it uses as much as digits as its factorization.
11010111011 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 394740.
The product of its (nonzero) digits is 1, while the sum is 8.
Adding to 11010111011 its reverse (11011101011), we get a palindrome (22021212022).
The spelling of 11010111011 in words is "eleven billion, ten million, one hundred eleven thousand, eleven".