11203311947 has 2 divisors, whose sum is σ = 11203311948. Its totient is φ = 11203311946.

The previous prime is 11203311907. The next prime is 11203312031. The reversal of 11203311947 is 74911330211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11203311947 - 2²⁶ = 11136203083 is a prime.

It is not a weakly prime, because it can be changed into another prime (11203311907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601655973 + 5601655974.

It is an arithmetic number, because the mean of its divisors is an integer number (5601655974).

Almost surely, 2^11203311947 is an apocalyptic number.

11203311947 is a deficient number, since it is larger than the sum of its proper divisors (1).

11203311947 is an equidigital number, since it uses as much as digits as its factorization.

11203311947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The spelling of 11203311947 in words is "eleven billion, two hundred three million, three hundred eleven thousand, nine hundred forty-seven".