11078667947 has 4 divisors (see below), whose sum is σ = 11266442040. Its totient is φ = 10890893856.

The previous prime is 11078667931. The next prime is 11078667973. The reversal of 11078667947 is 74976687011.

11078667947 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 an emirpimes, since its reverse is a distinct semiprime: 74976687011 = 23 ⋅3259855957.

It is a cyclic number.

It is not a de Polignac number, because 11078667947 - 2⁴ = 11078667931 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11078667892 and 11078667901.

It is not an unprimeable number, because it can be changed into a prime (11078660947) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 93886958 + ... + 93887075.

It is an arithmetic number, because the mean of its divisors is an integer number (2816610510).

Almost surely, 2^11078667947 is an apocalyptic number.

11078667947 is a deficient number, since it is larger than the sum of its proper divisors (187774093).

11078667947 is an equidigital number, since it uses as much as digits as its factorization.

11078667947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187774092.

The product of its (nonzero) digits is 3556224, while the sum is 56.

The spelling of 11078667947 in words is "eleven billion, seventy-eight million, six hundred sixty-seven thousand, nine hundred forty-seven".