11739530880 has 1280 divisors, whose sum is σ = 55663407360. Its totient is φ = 2282618880.

The previous prime is 11739530839. The next prime is 11739530909. The reversal of 11739530880 is 8803593711.

11739530880 is a `hidden beast` number, since 1 + 1 + 7 + 39 + 530 + 8 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 67858474 + ... + 67858646.

It is an arithmetic number, because the mean of its divisors is an integer number (43487037).

Almost surely, 2^11739530880 is an apocalyptic number.

11739530880 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 11739530880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27831703680).

11739530880 is an abundant number, since it is smaller than the sum of its proper divisors (43923876480).

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

11739530880 is a wasteful number, since it uses less digits than its factorization.

11739530880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The spelling of 11739530880 in words is "eleven billion, seven hundred thirty-nine million, five hundred thirty thousand, eight hundred eighty".