11113001311 has 4 divisors (see below), whose sum is σ = 11115410824. Its totient is φ = 11110591800.

The previous prime is 11113001299. The next prime is 11113001321. The reversal of 11113001311 is 11310031111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11113001311 - 2⁷ = 11113001183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11113001291 and 11113001300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113001321) 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, 1197825 + ... + 1207066.

It is an arithmetic number, because the mean of its divisors is an integer number (2778852706).

Almost surely, 2^11113001311 is an apocalyptic number.

11113001311 is a deficient number, since it is larger than the sum of its proper divisors (2409513).

11113001311 is an equidigital number, since it uses as much as digits as its factorization.

11113001311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2409512.

The product of its (nonzero) digits is 9, while the sum is 13.

Adding to 11113001311 its reverse (11310031111), we get a palindrome (22423032422).

The spelling of 11113001311 in words is "eleven billion, one hundred thirteen million, one thousand, three hundred eleven".