11640411228 has 48 divisors (see below), whose sum is σ = 28944921600. Its totient is φ = 3632464704.

The previous prime is 11640411217. The next prime is 11640411269. The reversal of 11640411228 is 82211404611.

11640411228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11640411195 and 11640411204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435703 + ... + 461646.

It is an arithmetic number, because the mean of its divisors is an integer number (603019200).

Almost surely, 2^11640411228 is an apocalyptic number.

It is an amenable number.

11640411228 is an abundant number, since it is smaller than the sum of its proper divisors (17304510372).

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

11640411228 is a wasteful number, since it uses less digits than its factorization.

11640411228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897426 (or 897424 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 30.

Adding to 11640411228 its reverse (82211404611), we get a palindrome (93851815839).

The spelling of 11640411228 in words is "eleven billion, six hundred forty million, four hundred eleven thousand, two hundred twenty-eight".