11778274366 has 4 divisors (see below), whose sum is σ = 17667411552. Its totient is φ = 5889137182.

The previous prime is 11778274301. The next prime is 11778274379. The reversal of 11778274366 is 66347287711.

11778274366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 2944568590 + ... + 2944568593.

It is an arithmetic number, because the mean of its divisors is an integer number (4416852888).

Almost surely, 2^11778274366 is an apocalyptic number.

11778274366 is a deficient number, since it is larger than the sum of its proper divisors (5889137186).

11778274366 is an equidigital number, since it uses as much as digits as its factorization.

11778274366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5889137185.

The product of its digits is 2370816, while the sum is 52.

The spelling of 11778274366 in words is "eleven billion, seven hundred seventy-eight million, two hundred seventy-four thousand, three hundred sixty-six".