11321140240340 has 48 divisors (see below), whose sum is σ = 27229675423104. Its totient is φ = 3873113961600.

The previous prime is 11321140240309. The next prime is 11321140240367. The reversal of 11321140240340 is 4304204112311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87641846 + ... + 87770925.

It is an arithmetic number, because the mean of its divisors is an integer number (567284904648).

Almost surely, 2^{11321140240340} is an apocalyptic number.

11321140240340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11321140240340 is an abundant number, since it is smaller than the sum of its proper divisors (15908535182764).

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

11321140240340 is a wasteful number, since it uses less digits than its factorization.

11321140240340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175413248 (or 175413246 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 11321140240340 its reverse (4304204112311), we get a palindrome (15625344352651).

The spelling of 11321140240340 in words is "eleven trillion, three hundred twenty-one billion, one hundred forty million, two hundred forty thousand, three hundred forty".