11078660947 has 2 divisors, whose sum is σ = 11078660948. Its totient is φ = 11078660946.

The previous prime is 11078660941. The next prime is 11078660981. The reversal of 11078660947 is 74906687011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11078660947 - 2⁷ = 11078660819 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11078660947.

It is not a weakly prime, because it can be changed into another prime (11078660941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5539330473 + 5539330474.

It is an arithmetic number, because the mean of its divisors is an integer number (5539330474).

Almost surely, 2^11078660947 is an apocalyptic number.

11078660947 is a deficient number, since it is larger than the sum of its proper divisors (1).

11078660947 is an equidigital number, since it uses as much as digits as its factorization.

11078660947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 508032, while the sum is 49.

The spelling of 11078660947 in words is "eleven billion, seventy-eight million, six hundred sixty thousand, nine hundred forty-seven".