11011311131344 has 20 divisors (see below), whose sum is σ = 21335377490980. Its totient is φ = 5505407262720.

The previous prime is 11011311131323. The next prime is 11011311131357. The reversal of 11011311131344 is 44313111311011.

It can be written as a sum of positive squares in 2 ways, for example, as 9199089000000 + 1812222131344 = 3033000^2 + 1346188^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15152817 + ... + 15862864.

It is an arithmetic number, because the mean of its divisors is an integer number (1066768874549).

Almost surely, 2^{11011311131344} is an apocalyptic number.

It is an amenable number.

11011311131344 is a deficient number, since it is larger than the sum of its proper divisors (10324066359636).

11011311131344 is a wasteful number, since it uses less digits than its factorization.

11011311131344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31037878 (or 31037872 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 25.

Adding to 11011311131344 its reverse (44313111311011), we get a palindrome (55324422442355).

The spelling of 11011311131344 in words is "eleven trillion, eleven billion, three hundred eleven million, one hundred thirty-one thousand, three hundred forty-four".