11310911311 has 8 divisors (see below), whose sum is σ = 12931030944. Its totient is φ = 9691860480.

The previous prime is 11310911309. The next prime is 11310911327. The reversal of 11310911311 is 11311901311.

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

It is a cyclic number.

It is not a de Polignac number, because 11310911311 - 2¹ = 11310911309 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 (11310911011) 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 7 ways as a sum of consecutive naturals, for example, 244390 + ... + 286963.

It is an arithmetic number, because the mean of its divisors is an integer number (1616378868).

Almost surely, 2^11310911311 is an apocalyptic number.

11310911311 is a deficient number, since it is larger than the sum of its proper divisors (1620119633).

11310911311 is an equidigital number, since it uses as much as digits as its factorization.

11310911311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534401.

The product of its (nonzero) digits is 81, while the sum is 22.

Multiplying 11310911311 by its sum of digits (22), we get a palindrome (248840048842).

The spelling of 11310911311 in words is "eleven billion, three hundred ten million, nine hundred eleven thousand, three hundred eleven".