11633322728 has 16 divisors (see below), whose sum is σ = 21856200000. Its totient is φ = 5805002736.

The previous prime is 11633322707. The next prime is 11633322731. The reversal of 11633322728 is 82722333611.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11633322691 and 11633322700.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1453088 + ... + 1461071.

It is an arithmetic number, because the mean of its divisors is an integer number (1366012500).

Almost surely, 2^11633322728 is an apocalyptic number.

It is an amenable number.

11633322728 is a deficient number, since it is larger than the sum of its proper divisors (10222877272).

11633322728 is a wasteful number, since it uses less digits than its factorization.

11633322728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914664 (or 2914660 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The spelling of 11633322728 in words is "eleven billion, six hundred thirty-three million, three hundred twenty-two thousand, seven hundred twenty-eight".