11231743104 has 144 divisors (see below), whose sum is σ = 33095905830. Its totient is φ = 3656153088.

The previous prime is 11231743097. The next prime is 11231743109. The reversal of 11231743104 is 40134713211.

It can be written as a sum of positive squares in only one way, i.e., 9611841600 + 1619901504 = 98040^2 + 40248^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (11231743109) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2127412 + ... + 2132684.

Almost surely, 2^11231743104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11231743104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16547952915).

11231743104 is an abundant number, since it is smaller than the sum of its proper divisors (21864162726).

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

11231743104 is an equidigital number, since it uses as much as digits as its factorization.

11231743104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5379 (or 5321 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The spelling of 11231743104 in words is "eleven billion, two hundred thirty-one million, seven hundred forty-three thousand, one hundred four".