11305401311 has 16 divisors (see below), whose sum is σ = 11554827648. Its totient is φ = 11058616800.

The previous prime is 11305401259. The next prime is 11305401323. The reversal of 11305401311 is 11310450311.

It is a cyclic number.

It is not a de Polignac number, because 11305401311 - 2¹⁰ = 11305400287 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 (11305461311) 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, 10361876 + ... + 10362966.

It is an arithmetic number, because the mean of its divisors is an integer number (722176728).

Almost surely, 2^11305401311 is an apocalyptic number.

11305401311 is a deficient number, since it is larger than the sum of its proper divisors (249426337).

11305401311 is a wasteful number, since it uses less digits than its factorization.

11305401311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102.

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 11305401311 its reverse (11310450311), we get a palindrome (22615851622).

The spelling of 11305401311 in words is "eleven billion, three hundred five million, four hundred one thousand, three hundred eleven".