11331031970543 has 2 divisors, whose sum is σ = 11331031970544. Its totient is φ = 11331031970542.

The previous prime is 11331031970539. The next prime is 11331031970569. The reversal of 11331031970543 is 34507913013311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11331031970543 - 2² = 11331031970539 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11331031970543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11331031979543) 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, 5665515985271 + 5665515985272.

It is an arithmetic number, because the mean of its divisors is an integer number (5665515985272).

Almost surely, 2^{11331031970543} is an apocalyptic number.

11331031970543 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331031970543 is an equidigital number, since it uses as much as digits as its factorization.

11331031970543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 102060, while the sum is 41.

Adding to 11331031970543 its reverse (34507913013311), we get a palindrome (45838944983854).

The spelling of 11331031970543 in words is "eleven trillion, three hundred thirty-one billion, thirty-one million, nine hundred seventy thousand, five hundred forty-three".