11433473648 has 60 divisors (see below), whose sum is σ = 23480182440. Its totient is φ = 5384123136.

The previous prime is 11433473633. The next prime is 11433473699. The reversal of 11433473648 is 84637433411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11433473599 and 11433473608.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15103286 + ... + 15104042.

It is an arithmetic number, because the mean of its divisors is an integer number (391336374).

Almost surely, 2^11433473648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11433473648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11740091220).

11433473648 is an abundant number, since it is smaller than the sum of its proper divisors (12046708792).

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

11433473648 is an frugal number, since it uses more digits than its factorization.

11433473648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594 (or 831 counting only the distinct ones).

The product of its digits is 580608, while the sum is 44.

The spelling of 11433473648 in words is "eleven billion, four hundred thirty-three million, four hundred seventy-three thousand, six hundred forty-eight".