11523003214111 has 2 divisors, whose sum is σ = 11523003214112. Its totient is φ = 11523003214110.

The previous prime is 11523003213979. The next prime is 11523003214117. The reversal of 11523003214111 is 11141230032511.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11523003214111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11523003214117) 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, 5761501607055 + 5761501607056.

It is an arithmetic number, because the mean of its divisors is an integer number (5761501607056).

Almost surely, 2^{11523003214111} is an apocalyptic number.

11523003214111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11523003214111 is an equidigital number, since it uses as much as digits as its factorization.

11523003214111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 25.

Adding to 11523003214111 its reverse (11141230032511), we get a palindrome (22664233246622).

The spelling of 11523003214111 in words is "eleven trillion, five hundred twenty-three billion, three million, two hundred fourteen thousand, one hundred eleven".