11078780307816 has 48 divisors (see below), whose sum is σ = 29991372737760. Its totient is φ = 3408855478080.

The previous prime is 11078780307787. The next prime is 11078780307821. The reversal of 11078780307816 is 61870308787011.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1365723300 + ... + 1365731411.

It is an arithmetic number, because the mean of its divisors is an integer number (624820265370).

Almost surely, 2^{11078780307816} is an apocalyptic number.

It is an amenable number.

11078780307816 is an abundant number, since it is smaller than the sum of its proper divisors (18912592429944).

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

11078780307816 is a wasteful number, since it uses less digits than its factorization.

11078780307816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731454746 (or 2731454729 counting only the distinct ones).

The product of its (nonzero) digits is 3161088, while the sum is 57.

The spelling of 11078780307816 in words is "eleven trillion, seventy-eight billion, seven hundred eighty million, three hundred seven thousand, eight hundred sixteen".