11523043760 has 80 divisors (see below), whose sum is σ = 27465679584. Its totient is φ = 4494237696.

The previous prime is 11523043757. The next prime is 11523043771. The reversal of 11523043760 is 6734032511.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 682784 + ... + 699456.

Almost surely, 2^11523043760 is an apocalyptic number.

11523043760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11523043760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13732839792).

11523043760 is an abundant number, since it is smaller than the sum of its proper divisors (15942635824).

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

11523043760 is a wasteful number, since it uses less digits than its factorization.

11523043760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16902 (or 16896 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 32.

The spelling of 11523043760 in words is "eleven billion, five hundred twenty-three million, forty-three thousand, seven hundred sixty".