11640041322 has 128 divisors (see below), whose sum is σ = 29090439168. Its totient is φ = 3023308800.

The previous prime is 11640041317. The next prime is 11640041341. The reversal of 11640041322 is 22314004611.

It is a junction number, because it is equal to n+sod(n) for n = 11640041292 and 11640041301.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14352297 + ... + 14353107.

It is an arithmetic number, because the mean of its divisors is an integer number (227269056).

Almost surely, 2^11640041322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11640041322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14545219584).

11640041322 is an abundant number, since it is smaller than the sum of its proper divisors (17450397846).

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

11640041322 is a wasteful number, since it uses less digits than its factorization.

11640041322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 11640041322 its reverse (22314004611), we get a palindrome (33954045933).

The spelling of 11640041322 in words is "eleven billion, six hundred forty million, forty-one thousand, three hundred twenty-two".