12205003536511 has 2 divisors, whose sum is σ = 12205003536512. Its totient is φ = 12205003536510.

The previous prime is 12205003536503. The next prime is 12205003536527. The reversal of 12205003536511 is 11563530050221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12205003536511 - 2³ = 12205003536503 is a prime.

It is a super-2 number, since 2×12205003536511² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12205003537511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6102501768255 + 6102501768256.

It is an arithmetic number, because the mean of its divisors is an integer number (6102501768256).

Almost surely, 2^{12205003536511} is an apocalyptic number.

12205003536511 is a deficient number, since it is larger than the sum of its proper divisors (1).

12205003536511 is an equidigital number, since it uses as much as digits as its factorization.

12205003536511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 34.

Adding to 12205003536511 its reverse (11563530050221), we get a palindrome (23768533586732).

The spelling of 12205003536511 in words is "twelve trillion, two hundred five billion, three million, five hundred thirty-six thousand, five hundred eleven".