11331003111947 has 2 divisors, whose sum is σ = 11331003111948. Its totient is φ = 11331003111946.

The previous prime is 11331003111929. The next prime is 11331003112003. The reversal of 11331003111947 is 74911130013311.

It is a weak prime.

It is an emirp because it is prime and its reverse (74911130013311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11331003111947 - 2²⁰ = 11331002063371 is a prime.

It is not a weakly prime, because it can be changed into another prime (11331003117947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665501555973 + 5665501555974.

It is an arithmetic number, because the mean of its divisors is an integer number (5665501555974).

Almost surely, 2^{11331003111947} is an apocalyptic number.

11331003111947 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331003111947 is an equidigital number, since it uses as much as digits as its factorization.

11331003111947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6804, while the sum is 35.

The spelling of 11331003111947 in words is "eleven trillion, three hundred thirty-one billion, three million, one hundred eleven thousand, nine hundred forty-seven".