2126053616399 has 2 divisors, whose sum is σ = 2126053616400. Its totient is φ = 2126053616398.

The previous prime is 2126053616317. The next prime is 2126053616419. The reversal of 2126053616399 is 9936163506212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2126053616399 - 2²⁰ = 2126052567823 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2126053616399.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2126053616299) 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, 1063026808199 + 1063026808200.

It is an arithmetic number, because the mean of its divisors is an integer number (1063026808200).

Almost surely, 2^{2126053616399} is an apocalyptic number.

2126053616399 is a deficient number, since it is larger than the sum of its proper divisors (1).

2126053616399 is an equidigital number, since it uses as much as digits as its factorization.

2126053616399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3149280, while the sum is 53.

The spelling of 2126053616399 in words is "two trillion, one hundred twenty-six billion, fifty-three million, six hundred sixteen thousand, three hundred ninety-nine".