11041031111 has 12 divisors (see below), whose sum is σ = 12261135936. Its totient is φ = 9933813120.

The previous prime is 11041031107. The next prime is 11041031143. The reversal of 11041031111 is 11113014011.

It is a happy number.

It is not a de Polignac number, because 11041031111 - 2² = 11041031107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11041031161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 458615 + ... + 482088.

It is an arithmetic number, because the mean of its divisors is an integer number (1021761328).

Almost surely, 2^11041031111 is an apocalyptic number.

11041031111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11041031111 is a deficient number, since it is larger than the sum of its proper divisors (1220104825).

11041031111 is an equidigital number, since it uses as much as digits as its factorization.

11041031111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 940822 (or 940811 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 11041031111 its reverse (11113014011), we get a palindrome (22154045122).

The spelling of 11041031111 in words is "eleven billion, forty-one million, thirty-one thousand, one hundred eleven".