11716641928 has 16 divisors (see below), whose sum is σ = 21988387980. Its totient is φ = 5853071808.

The previous prime is 11716641913. The next prime is 11716641929. The reversal of 11716641928 is 82914661711.

It can be written as a sum of positive squares in 2 ways, for example, as 11716330564 + 311364 = 108242^2 + 558^2 .

It is not an unprimeable number, because it can be changed into a prime (11716641929) 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, 646651 + ... + 664522.

Almost surely, 2^11716641928 is an apocalyptic number.

It is an amenable number.

11716641928 is a deficient number, since it is larger than the sum of its proper divisors (10271746052).

11716641928 is a wasteful number, since it uses less digits than its factorization.

11716641928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312296 (or 1312292 counting only the distinct ones).

The product of its digits is 145152, while the sum is 46.

The spelling of 11716641928 in words is "eleven billion, seven hundred sixteen million, six hundred forty-one thousand, nine hundred twenty-eight".