11001110009947 has 2 divisors, whose sum is σ = 11001110009948. Its totient is φ = 11001110009946.

The previous prime is 11001110009921. The next prime is 11001110009971. The reversal of 11001110009947 is 74990001110011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11001110009947 - 2⁷ = 11001110009819 is a prime.

It is not a weakly prime, because it can be changed into another prime (11001110009977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500555004973 + 5500555004974.

It is an arithmetic number, because the mean of its divisors is an integer number (5500555004974).

Almost surely, 2^{11001110009947} is an apocalyptic number.

11001110009947 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001110009947 is an equidigital number, since it uses as much as digits as its factorization.

11001110009947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 34.

Adding to 11001110009947 its reverse (74990001110011), we get a palindrome (85991111119958).

The spelling of 11001110009947 in words is "eleven trillion, one billion, one hundred ten million, nine thousand, nine hundred forty-seven".