11005131043 has 2 divisors, whose sum is σ = 11005131044. Its totient is φ = 11005131042.

The previous prime is 11005131013. The next prime is 11005131047. The reversal of 11005131043 is 34013150011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11005131043 - 2⁹ = 11005130531 is a prime.

It is a super-2 number, since 2×11005131043² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11005131043.

It is not a weakly prime, because it can be changed into another prime (11005131047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5502565521 + 5502565522.

It is an arithmetic number, because the mean of its divisors is an integer number (5502565522).

Almost surely, 2^11005131043 is an apocalyptic number.

11005131043 is a deficient number, since it is larger than the sum of its proper divisors (1).

11005131043 is an equidigital number, since it uses as much as digits as its factorization.

11005131043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 11005131043 its reverse (34013150011), we get a palindrome (45018281054).

The spelling of 11005131043 in words is "eleven billion, five million, one hundred thirty-one thousand, forty-three".