11311303011 has 16 divisors (see below), whose sum is σ = 15189417600. Its totient is φ = 7487121600.

The previous prime is 11311303001. The next prime is 11311303013. The reversal of 11311303011 is 11030311311.

It is not a de Polignac number, because 11311303011 - 2¹⁰ = 11311301987 is a prime.

It is a super-2 number, since 2×11311303011² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11311303013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 501936 + ... + 523986.

It is an arithmetic number, because the mean of its divisors is an integer number (949338600).

Almost surely, 2^11311303011 is an apocalyptic number.

11311303011 is a deficient number, since it is larger than the sum of its proper divisors (3878114589).

11311303011 is a wasteful number, since it uses less digits than its factorization.

11311303011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23266.

The product of its (nonzero) digits is 27, while the sum is 15.

Adding to 11311303011 its reverse (11030311311), we get a palindrome (22341614322).

The spelling of 11311303011 in words is "eleven billion, three hundred eleven million, three hundred three thousand, eleven".