11478364668 has 108 divisors (see below), whose sum is σ = 30409679664. Its totient is φ = 3649766400.

The previous prime is 11478364663. The next prime is 11478364687. The reversal of 11478364668 is 86646387411.

11478364668 is a `hidden beast` number, since 1 + 147 + 8 + 36 + 466 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11478364663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2453980 + ... + 2458652.

It is an arithmetic number, because the mean of its divisors is an integer number (281571108).

Almost surely, 2^11478364668 is an apocalyptic number.

11478364668 is a gapful number since it is divisible by the number (18) 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 11478364668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15204839832).

11478364668 is an abundant number, since it is smaller than the sum of its proper divisors (18931314996).

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

11478364668 is a wasteful number, since it uses less digits than its factorization.

11478364668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4816 (or 4780 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 54.

The spelling of 11478364668 in words is "eleven billion, four hundred seventy-eight million, three hundred sixty-four thousand, six hundred sixty-eight".