11311110011 has 4 divisors (see below), whose sum is σ = 11502823800. Its totient is φ = 11119396224.

The previous prime is 11311109989. The next prime is 11311110029. The reversal of 11311110011 is 11001111311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11001111311 = 2663 ⋅4131097.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11311110011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11311109974 and 11311110001.

It is not an unprimeable number, because it can be changed into a prime (11310110011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95856806 + ... + 95856923.

It is an arithmetic number, because the mean of its divisors is an integer number (2875705950).

Almost surely, 2^11311110011 is an apocalyptic number.

11311110011 is a deficient number, since it is larger than the sum of its proper divisors (191713789).

11311110011 is an equidigital number, since it uses as much as digits as its factorization.

11311110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191713788.

The product of its (nonzero) digits is 3, while the sum is 11.

Adding to 11311110011 its reverse (11001111311), we get a palindrome (22312221322).

It can be divided in two parts, 11311 and 110011, that multiplied together give a palindrome (1244334421).

The spelling of 11311110011 in words is "eleven billion, three hundred eleven million, one hundred ten thousand, eleven".