11331113842571 has 2 divisors, whose sum is σ = 11331113842572. Its totient is φ = 11331113842570.

The previous prime is 11331113842561. The next prime is 11331113842583. The reversal of 11331113842571 is 17524831113311.

It is a weak prime.

It is an emirp because it is prime and its reverse (17524831113311) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11331113842571 is a prime.

It is not a weakly prime, because it can be changed into another prime (11331113842561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665556921285 + 5665556921286.

It is an arithmetic number, because the mean of its divisors is an integer number (5665556921286).

Almost surely, 2^{11331113842571} is an apocalyptic number.

11331113842571 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331113842571 is an equidigital number, since it uses as much as digits as its factorization.

11331113842571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 41.

Adding to 11331113842571 its reverse (17524831113311), we get a palindrome (28855944955882).

The spelling of 11331113842571 in words is "eleven trillion, three hundred thirty-one billion, one hundred thirteen million, eight hundred forty-two thousand, five hundred seventy-one".