11800078080 has 864 divisors, whose sum is σ = 48192614400. Its totient is φ = 2456616960.

The previous prime is 11800078061. The next prime is 11800078187. The reversal of 11800078080 is 8087000811.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 380647665 + ... + 380647695.

Almost surely, 2^11800078080 is an apocalyptic number.

11800078080 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 11800078080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24096307200).

11800078080 is an abundant number, since it is smaller than the sum of its proper divisors (36392536320).

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

11800078080 is an equidigital number, since it uses as much as digits as its factorization.

11800078080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 33.

Adding to 11800078080 its reverse (8087000811), we get a palindrome (19887078891).

The spelling of 11800078080 in words is "eleven billion, eight hundred million, seventy-eight thousand, eighty".