11305343728 has 40 divisors (see below), whose sum is σ = 25081255808. Its totient is φ = 4835858112.

The previous prime is 11305343659. The next prime is 11305343741. The reversal of 11305343728 is 82734350311.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37926 + ... + 155077.

Almost surely, 2^11305343728 is an apocalyptic number.

It is an amenable number.

11305343728 is an abundant number, since it is smaller than the sum of its proper divisors (13775912080).

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

11305343728 is a wasteful number, since it uses less digits than its factorization.

11305343728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193541 (or 193535 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 11305343728 in words is "eleven billion, three hundred five million, three hundred forty-three thousand, seven hundred twenty-eight".