11474770078249 has 3 divisors (see below), whose sum is σ = 11474773465693. Its totient is φ = 11474766690806.

The previous prime is 11474770078243. The next prime is 11474770078259. The reversal of 11474770078249 is 94287007747411.

The square root of 11474770078249 is 3387443.

It is a perfect power (a square), and thus also a powerful number.

11474770078249 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, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 11474770078249 - 2²³ = 11474761689641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11474770078243) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1693722 + ... + 5081164.

Almost surely, 2^{11474770078249} is an apocalyptic number.

11474770078249 is the 3387443-rd square number.

11474770078249 is the 1693722-nd centered octagonal number.

It is an amenable number.

11474770078249 is a deficient number, since it is larger than the sum of its proper divisors (3387444).

11474770078249 is an frugal number, since it uses more digits than its factorization.

11474770078249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6774886 (or 3387443 counting only the distinct ones).

The product of its (nonzero) digits is 22127616, while the sum is 61.

The spelling of 11474770078249 in words is "eleven trillion, four hundred seventy-four billion, seven hundred seventy million, seventy-eight thousand, two hundred forty-nine".