11600778816 has 84 divisors (see below), whose sum is σ = 36274424784. Its totient is φ = 3515385600.

The previous prime is 11600778811. The next prime is 11600778817. The reversal of 11600778816 is 61887700611.

It is a happy number.

11600778816 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (11600778811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 909130 + ... + 921801.

Almost surely, 2^11600778816 is an apocalyptic number.

11600778816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11600778816 is an abundant number, since it is smaller than the sum of its proper divisors (24673645968).

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

11600778816 is a wasteful number, since it uses less digits than its factorization.

11600778816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1830960 (or 1830947 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 45.

The spelling of 11600778816 in words is "eleven billion, six hundred million, seven hundred seventy-eight thousand, eight hundred sixteen".