11888798880 has 384 divisors, whose sum is σ = 44105596416. Its totient is φ = 2635776000.

The previous prime is 11888798863. The next prime is 11888798891. The reversal of 11888798880 is 8889788811.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17985750 + ... + 17986410.

It is an arithmetic number, because the mean of its divisors is an integer number (114858324).

Almost surely, 2^11888798880 is an apocalyptic number.

11888798880 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 11888798880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22052798208).

11888798880 is an abundant number, since it is smaller than the sum of its proper divisors (32216797536).

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

11888798880 is a wasteful number, since it uses less digits than its factorization.

11888798880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 832 counting only the distinct ones).

The product of its (nonzero) digits is 16515072, while the sum is 66.

The spelling of 11888798880 in words is "eleven billion, eight hundred eighty-eight million, seven hundred ninety-eight thousand, eight hundred eighty".