11826878208 has 144 divisors (see below), whose sum is σ = 33218760960. Its totient is φ = 3728023552.

The previous prime is 11826878177. The next prime is 11826878227. The reversal of 11826878208 is 80287862811.

It is a super-3 number, since 3×11826878208³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

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, 1568335 + ... + 1575857.

It is an arithmetic number, because the mean of its divisors is an integer number (230685840).

Almost surely, 2^11826878208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11826878208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16609380480).

11826878208 is an abundant number, since it is smaller than the sum of its proper divisors (21391882752).

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

11826878208 is an equidigital number, since it uses as much as digits as its factorization.

11826878208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7654 (or 7640 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 51.

The spelling of 11826878208 in words is "eleven billion, eight hundred twenty-six million, eight hundred seventy-eight thousand, two hundred eight".