12387828511 has 2 divisors, whose sum is σ = 12387828512. Its totient is φ = 12387828510.

The previous prime is 12387828463. The next prime is 12387828517. The reversal of 12387828511 is 11582878321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12387828511 - 2²⁷ = 12253610783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12387828517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6193914255 + 6193914256.

It is an arithmetic number, because the mean of its divisors is an integer number (6193914256).

Almost surely, 2^12387828511 is an apocalyptic number.

12387828511 is a deficient number, since it is larger than the sum of its proper divisors (1).

12387828511 is an equidigital number, since it uses as much as digits as its factorization.

12387828511 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 215040, while the sum is 46.

The spelling of 12387828511 in words is "twelve billion, three hundred eighty-seven million, eight hundred twenty-eight thousand, five hundred eleven".