11031100011 has 24 divisors (see below), whose sum is σ = 16512444000. Its totient is φ = 7087903872.

The previous prime is 11031100001. The next prime is 11031100013. The reversal of 11031100011 is 11000113011.

It is not a de Polignac number, because 11031100011 - 2¹⁴ = 11031083627 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 = 11031099966 and 11031100002.

It is not an unprimeable number, because it can be changed into a prime (11031100013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 111370 + ... + 185648.

It is an arithmetic number, because the mean of its divisors is an integer number (688018500).

Almost surely, 2^11031100011 is an apocalyptic number.

11031100011 is a deficient number, since it is larger than the sum of its proper divisors (5481343989).

11031100011 is a wasteful number, since it uses less digits than its factorization.

11031100011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74883 (or 74880 counting only the distinct ones).

The product of its (nonzero) digits is 3, while the sum is 9.

Adding to 11031100011 its reverse (11000113011), we get a palindrome (22031213022).

The spelling of 11031100011 in words is "eleven billion, thirty-one million, one hundred thousand, eleven".