11778304122 has 80 divisors (see below), whose sum is σ = 29402520840. Its totient is φ = 3499106688.

The previous prime is 11778304099. The next prime is 11778304141. The reversal of 11778304122 is 22140387711.

11778304122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9502155441 + 2276148681 = 97479^2 + 47709^2 .

It is an unprimeable number.

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 39 ways as a sum of consecutive naturals, for example, 35353 + ... + 157500.

Almost surely, 2^11778304122 is an apocalyptic number.

11778304122 is an abundant number, since it is smaller than the sum of its proper divisors (17624216718).

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

11778304122 is a wasteful number, since it uses less digits than its factorization.

11778304122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192909 (or 192900 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The spelling of 11778304122 in words is "eleven billion, seven hundred seventy-eight million, three hundred four thousand, one hundred twenty-two".