11443011321340 has 96 divisors (see below), whose sum is σ = 25893426069504. Its totient is φ = 4232271160320.

The previous prime is 11443011321299. The next prime is 11443011321373. The reversal of 11443011321340 is 4312311034411.

It is a junction number, because it is equal to n+sod(n) for n = 11443011321299 and 11443011321308.

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, 5994117 + ... + 7669123.

It is an arithmetic number, because the mean of its divisors is an integer number (269723188224).

Almost surely, 2^{11443011321340} is an apocalyptic number.

11443011321340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11443011321340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12946713034752).

11443011321340 is an abundant number, since it is smaller than the sum of its proper divisors (14450414748164).

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

11443011321340 is a wasteful number, since it uses less digits than its factorization.

11443011321340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1675387 (or 1675385 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 11443011321340 its reverse (4312311034411), we get a palindrome (15755322355751).

The spelling of 11443011321340 in words is "eleven trillion, four hundred forty-three billion, eleven million, three hundred twenty-one thousand, three hundred forty".