11445511423311 has 64 divisors (see below), whose sum is σ = 20418211840000. Its totient is φ = 6190100826336.

The previous prime is 11445511423279. The next prime is 11445511423351. The reversal of 11445511423311 is 11332411554411.

11445511423311 is a `hidden beast` number, since 1 + 1 + 44 + 551 + 14 + 23 + 31 + 1 = 666.

11445511423311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11445511423311 - 2⁵ = 11445511423279 is a prime.

It is a super-2 number, since 2×11445511423311² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11445511423351) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2197230 + ... + 5264868.

It is an arithmetic number, because the mean of its divisors is an integer number (319034560000).

Almost surely, 2^{11445511423311} is an apocalyptic number.

11445511423311 is a deficient number, since it is larger than the sum of its proper divisors (8972700416689).

11445511423311 is a wasteful number, since it uses less digits than its factorization.

11445511423311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3068713 (or 3068707 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

Adding to 11445511423311 its reverse (11332411554411), we get a palindrome (22777922977722).

The spelling of 11445511423311 in words is "eleven trillion, four hundred forty-five billion, five hundred eleven million, four hundred twenty-three thousand, three hundred eleven".