11011110001011 has 6 divisors (see below), whose sum is σ = 15904936668140. Its totient is φ = 7340740000668.

The previous prime is 11011110001009. The next prime is 11011110001013. The reversal of 11011110001011 is 11010001111011.

11011110001011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11011110001009) and next prime (11011110001013).

It is not a de Polignac number, because 11011110001011 - 2¹ = 11011110001009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1223456666779 = 11011110001011 / (1 + 1 + 0 + 1 + 1 + 1 + 1 + 0 + 0 + 0 + 1 + 0 + 1 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11011110000984 and 11011110001002.

It is not an unprimeable number, because it can be changed into a prime (11011110001013) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611728333381 + ... + 611728333398.

Almost surely, 2^{11011110001011} is an apocalyptic number.

11011110001011 is a deficient number, since it is larger than the sum of its proper divisors (4893826667129).

11011110001011 is a wasteful number, since it uses less digits than its factorization.

11011110001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223456666785 (or 1223456666782 counting only the distinct ones).

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

Adding to 11011110001011 its reverse (11010001111011), we get a palindrome (22021111112022).

Subtracting from 11011110001011 its reverse (11010001111011), we obtain a square (1108890000 = 33300²).

The spelling of 11011110001011 in words is "eleven trillion, eleven billion, one hundred ten million, one thousand, eleven".