11311111011 has 8 divisors (see below), whose sum is σ = 15489089104. Its totient is φ = 7336936800.

The previous prime is 11311111003. The next prime is 11311111013. The reversal of 11311111011 is 11011111311.

11311111011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11311111011 - 2³ = 11311111003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11311111013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50950840 + ... + 50951061.

It is an arithmetic number, because the mean of its divisors is an integer number (1936136138).

Almost surely, 2^11311111011 is an apocalyptic number.

11311111011 is a deficient number, since it is larger than the sum of its proper divisors (4177978093).

11311111011 is a wasteful number, since it uses less digits than its factorization.

11311111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101901941.

The product of its (nonzero) digits is 3, while the sum is 12.

Adding to 11311111011 its reverse (11011111311), we get a palindrome (22322222322).

The spelling of 11311111011 in words is "eleven billion, three hundred eleven million, one hundred eleven thousand, eleven".