11530532351111 has 2 divisors, whose sum is σ = 11530532351112. Its totient is φ = 11530532351110.

The previous prime is 11530532351033. The next prime is 11530532351141. The reversal of 11530532351111 is 11115323503511.

11530532351111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11530532351111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11530532351141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5765266175555 + 5765266175556.

It is an arithmetic number, because the mean of its divisors is an integer number (5765266175556).

Almost surely, 2^{11530532351111} is an apocalyptic number.

11530532351111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11530532351111 is an equidigital number, since it uses as much as digits as its factorization.

11530532351111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6750, while the sum is 32.

Adding to 11530532351111 its reverse (11115323503511), we get a palindrome (22645855854622).

The spelling of 11530532351111 in words is "eleven trillion, five hundred thirty billion, five hundred thirty-two million, three hundred fifty-one thousand, one hundred eleven".