11788534080 has 168 divisors, whose sum is σ = 42310824192. Its totient is φ = 3006913536.

The previous prime is 11788534067. The next prime is 11788534091. The reversal of 11788534080 is 8043588711.

It is a happy number.

11788534080 is a `hidden beast` number, since 117 + 88 + 53 + 408 + 0 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22744 + ... + 155223.

It is an arithmetic number, because the mean of its divisors is an integer number (251850144).

Almost surely, 2^11788534080 is an apocalyptic number.

11788534080 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 11788534080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21155412096).

11788534080 is an abundant number, since it is smaller than the sum of its proper divisors (30522290112).

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

11788534080 is a wasteful number, since it uses less digits than its factorization.

11788534080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178013 (or 178000 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The spelling of 11788534080 in words is "eleven billion, seven hundred eighty-eight million, five hundred thirty-four thousand, eighty".