20126324571259 has 2 divisors, whose sum is σ = 20126324571260. Its totient is φ = 20126324571258.

The previous prime is 20126324571251. The next prime is 20126324571313. The reversal of 20126324571259 is 95217542362102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20126324571259 - 2³ = 20126324571251 is a prime.

It is not a weakly prime, because it can be changed into another prime (20126324571251) 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, 10063162285629 + 10063162285630.

It is an arithmetic number, because the mean of its divisors is an integer number (10063162285630).

Almost surely, 2^{20126324571259} is an apocalyptic number.

20126324571259 is a deficient number, since it is larger than the sum of its proper divisors (1).

20126324571259 is an equidigital number, since it uses as much as digits as its factorization.

20126324571259 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 49.

The spelling of 20126324571259 in words is "twenty trillion, one hundred twenty-six billion, three hundred twenty-four million, five hundred seventy-one thousand, two hundred fifty-nine".