11011011001101 has 10 divisors (see below), whose sum is σ = 16448547298062. Its totient is φ = 7340674000680.

The previous prime is 11011011001093. The next prime is 11011011001129. The reversal of 11011011001101 is 10110011011011.

It can be written as a sum of positive squares in only one way, i.e., 7839944000100 + 3171067001001 = 2799990^2 + 1780749^2 .

It is not a de Polignac number, because 11011011001101 - 2³ = 11011011001093 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11011011001901) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 67969203630 + ... + 67969203791.

Almost surely, 2^{11011011001101} is an apocalyptic number.

It is an amenable number.

11011011001101 is a deficient number, since it is larger than the sum of its proper divisors (5437536296961).

11011011001101 is an equidigital number, since it uses as much as digits as its factorization.

11011011001101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135938407433 (or 135938407424 counting only the distinct ones).

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

Adding to 11011011001101 its reverse (10110011011011), we get a palindrome (21121022012112).

The spelling of 11011011001101 in words is "eleven trillion, eleven billion, eleven million, one thousand, one hundred one".