11939226816 has 168 divisors, whose sum is σ = 34995989952. Its totient is φ = 3589414400.

The previous prime is 11939226797. The next prime is 11939226853. The reversal of 11939226816 is 61862293911.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3041431 + ... + 3045353.

It is an arithmetic number, because the mean of its divisors is an integer number (208309464).

Almost surely, 2^11939226816 is an apocalyptic number.

11939226816 is a gapful number since it is divisible by the number (16) 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 11939226816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17497994976).

11939226816 is an abundant number, since it is smaller than the sum of its proper divisors (23056763136).

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

11939226816 is a wasteful number, since it uses less digits than its factorization.

11939226816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4091 (or 4070 counting only the distinct ones).

The product of its digits is 279936, while the sum is 48.

The spelling of 11939226816 in words is "eleven billion, nine hundred thirty-nine million, two hundred twenty-six thousand, eight hundred sixteen".