11131431204444 has 96 divisors (see below), whose sum is σ = 26762774976000. Its totient is φ = 3598363802880.

The previous prime is 11131431204379. The next prime is 11131431204511. The reversal of 11131431204444 is 44440213413111.

11131431204444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 793451622 + ... + 793465650.

It is an arithmetic number, because the mean of its divisors is an integer number (278778906000).

Almost surely, 2^{11131431204444} is an apocalyptic number.

It is an amenable number.

11131431204444 is an abundant number, since it is smaller than the sum of its proper divisors (15631343771556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11131431204444 is a wasteful number, since it uses less digits than its factorization.

11131431204444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19803 (or 19801 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

Adding to 11131431204444 its reverse (44440213413111), we get a palindrome (55571644617555).

The spelling of 11131431204444 in words is "eleven trillion, one hundred thirty-one billion, four hundred thirty-one million, two hundred four thousand, four hundred forty-four".