12355432511 has 2 divisors, whose sum is σ = 12355432512. Its totient is φ = 12355432510.

The previous prime is 12355432501. The next prime is 12355432603. The reversal of 12355432511 is 11523455321.

12355432511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12355432511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12355432501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6177716255 + 6177716256.

It is an arithmetic number, because the mean of its divisors is an integer number (6177716256).

Almost surely, 2^12355432511 is an apocalyptic number.

12355432511 is a deficient number, since it is larger than the sum of its proper divisors (1).

12355432511 is an equidigital number, since it uses as much as digits as its factorization.

12355432511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 32.

Adding to 12355432511 its reverse (11523455321), we get a palindrome (23878887832).

The spelling of 12355432511 in words is "twelve billion, three hundred fifty-five million, four hundred thirty-two thousand, five hundred eleven".