11431335542044 has 12 divisors (see below), whose sum is σ = 21823458762168. Its totient is φ = 5196061610000.

The previous prime is 11431335541957. The next prime is 11431335542047. The reversal of 11431335542044 is 44024553313411.

It is a junction number, because it is equal to n+sod(n) for n = 11431335541988 and 11431335542006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11431335542047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129901540207 + ... + 129901540294.

It is an arithmetic number, because the mean of its divisors is an integer number (1818621563514).

Almost surely, 2^{11431335542044} is an apocalyptic number.

It is an amenable number.

11431335542044 is a deficient number, since it is larger than the sum of its proper divisors (10392123220124).

11431335542044 is a wasteful number, since it uses less digits than its factorization.

11431335542044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259803080516 (or 259803080514 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 40.

Adding to 11431335542044 its reverse (44024553313411), we get a palindrome (55455888855455).

The spelling of 11431335542044 in words is "eleven trillion, four hundred thirty-one billion, three hundred thirty-five million, five hundred forty-two thousand, forty-four".