11331554261423 has 16 divisors (see below), whose sum is σ = 12762817643520. Its totient is φ = 9967267358400.

The previous prime is 11331554261353. The next prime is 11331554261441. The reversal of 11331554261423 is 32416245513311.

11331554261423 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 11331554261423 - 2⁴² = 6933507750319 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 (11331554261473) 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, 1220033 + ... + 4914426.

It is an arithmetic number, because the mean of its divisors is an integer number (797676102720).

Almost surely, 2^{11331554261423} is an apocalyptic number.

11331554261423 is a deficient number, since it is larger than the sum of its proper divisors (1431263382097).

11331554261423 is a wasteful number, since it uses less digits than its factorization.

11331554261423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6139918.

The product of its digits is 259200, while the sum is 41.

Adding to 11331554261423 its reverse (32416245513311), we get a palindrome (43747799774734).

The spelling of 11331554261423 in words is "eleven trillion, three hundred thirty-one billion, five hundred fifty-four million, two hundred sixty-one thousand, four hundred twenty-three".