11640535322 has 8 divisors (see below), whose sum is σ = 18803941716. Its totient is φ = 5372554752.

The previous prime is 11640535321. The next prime is 11640535327. The reversal of 11640535322 is 22353504611.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11599074601 + 41460721 = 107699^2 + 6439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11640535321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223856423 + ... + 223856474.

Almost surely, 2^11640535322 is an apocalyptic number.

11640535322 is a deficient number, since it is larger than the sum of its proper divisors (7163406394).

11640535322 is a wasteful number, since it uses less digits than its factorization.

11640535322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447712912.

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 11640535322 in words is "eleven billion, six hundred forty million, five hundred thirty-five thousand, three hundred twenty-two".