11428944064 has 28 divisors (see below), whose sum is σ = 22684042008. Its totient is φ = 5713280000.

The previous prime is 11428944061. The next prime is 11428944067. The reversal of 11428944064 is 46044982411.

It is an interprime number because it is at equal distance from previous prime (11428944061) and next prime (11428944067).

It is a self number, because there is not a number n which added to its sum of digits gives 11428944064.

It is not an unprimeable number, because it can be changed into a prime (11428944061) 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, 345864 + ... + 377464.

Almost surely, 2^11428944064 is an apocalyptic number.

It is an amenable number.

11428944064 is a deficient number, since it is larger than the sum of its proper divisors (11255097944).

11428944064 is an equidigital number, since it uses as much as digits as its factorization.

11428944064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37264 (or 37254 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 11428944064 in words is "eleven billion, four hundred twenty-eight million, nine hundred forty-four thousand, sixty-four".