11404231311 has 16 divisors (see below), whose sum is σ = 16657390080. Its totient is φ = 6882731520.

The previous prime is 11404231297. The next prime is 11404231351. The reversal of 11404231311 is 11313240411.

It is not a de Polignac number, because 11404231311 - 2⁷ = 11404231183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11404231351) 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, 715090 + ... + 730863.

It is an arithmetic number, because the mean of its divisors is an integer number (1041086880).

Almost surely, 2^11404231311 is an apocalyptic number.

11404231311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11404231311 is a deficient number, since it is larger than the sum of its proper divisors (5253158769).

11404231311 is a wasteful number, since it uses less digits than its factorization.

11404231311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446206.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11404231311 its reverse (11313240411), we get a palindrome (22717471722).

The spelling of 11404231311 in words is "eleven billion, four hundred four million, two hundred thirty-one thousand, three hundred eleven".