11010011011011 has 32 divisors (see below), whose sum is σ = 16327767456000. Its totient is φ = 7332520757760.

The previous prime is 11010011010997. The next prime is 11010011011039. The reversal of 11010011011011 is 11011011001011.

It is not a de Polignac number, because 11010011011011 - 2¹¹ = 11010011008963 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11010011010984 and 11010011011002.

It is not an unprimeable number, because it can be changed into a prime (11010011011081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 556697955 + ... + 556717731.

It is an arithmetic number, because the mean of its divisors is an integer number (510242733000).

Almost surely, 2^{11010011011011} is an apocalyptic number.

11010011011011 is a deficient number, since it is larger than the sum of its proper divisors (5317756444989).

11010011011011 is a wasteful number, since it uses less digits than its factorization.

11010011011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39776 (or 39770 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 11010011011011 its reverse (11011011001011), we get a palindrome (22021022012022).

It can be divided in two parts, 1101001101 and 1011, that multiplied together give a palindrome (1113112113111).

The spelling of 11010011011011 in words is "eleven trillion, ten billion, eleven million, eleven thousand, eleven".