9936445615128 has 48 divisors (see below), whose sum is σ = 27907918245480. Its totient is φ = 3312148537728.

The previous prime is 9936445615073. The next prime is 9936445615139. The reversal of 9936445615128 is 8215165446399.

9936445615128 is a `hidden beast` number, since 9 + 9 + 3 + 6 + 4 + 4 + 5 + 615 + 1 + 2 + 8 = 666.

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 11 ways as a sum of consecutive naturals, for example, 2555668225 + ... + 2555672112.

Almost surely, 2^{9936445615128} is an apocalyptic number.

It is an amenable number.

9936445615128 is an abundant number, since it is smaller than the sum of its proper divisors (17971472630352).

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

9936445615128 is a wasteful number, since it uses less digits than its factorization.

9936445615128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111340358 (or 5111340342 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 63.

The spelling of 9936445615128 in words is "nine trillion, nine hundred thirty-six billion, four hundred forty-five million, six hundred fifteen thousand, one hundred twenty-eight".