11121032947 has 2 divisors, whose sum is σ = 11121032948. Its totient is φ = 11121032946.

The previous prime is 11121032929. The next prime is 11121033017. The reversal of 11121032947 is 74923012111.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (74923012111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11121032947 is a prime.

It is not a weakly prime, because it can be changed into another prime (11121032917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560516473 + 5560516474.

It is an arithmetic number, because the mean of its divisors is an integer number (5560516474).

Almost surely, 2^11121032947 is an apocalyptic number.

11121032947 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121032947 is an equidigital number, since it uses as much as digits as its factorization.

11121032947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 31.

The spelling of 11121032947 in words is "eleven billion, one hundred twenty-one million, thirty-two thousand, nine hundred forty-seven".