11648436648 has 64 divisors (see below), whose sum is σ = 29720027520. Its totient is φ = 3803654400.

The previous prime is 11648436643. The next prime is 11648436689. The reversal of 11648436648 is 84663484611.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 11648436648.

It is not an unprimeable number, because it can be changed into a prime (11648436643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245758 + ... + 289298.

It is an arithmetic number, because the mean of its divisors is an integer number (464375430).

Almost surely, 2^11648436648 is an apocalyptic number.

It is an amenable number.

11648436648 is an abundant number, since it is smaller than the sum of its proper divisors (18071590872).

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

11648436648 is a wasteful number, since it uses less digits than its factorization.

11648436648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43778 (or 43774 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 51.

The spelling of 11648436648 in words is "eleven billion, six hundred forty-eight million, four hundred thirty-six thousand, six hundred forty-eight".