12816554351 has 2 divisors, whose sum is σ = 12816554352. Its totient is φ = 12816554350.

The previous prime is 12816554327. The next prime is 12816554459. The reversal of 12816554351 is 15345561821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12816554351 - 2¹⁸ = 12816292207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12816554299 and 12816554308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12816554851) 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, 6408277175 + 6408277176.

It is an arithmetic number, because the mean of its divisors is an integer number (6408277176).

Almost surely, 2^12816554351 is an apocalyptic number.

12816554351 is a deficient number, since it is larger than the sum of its proper divisors (1).

12816554351 is an equidigital number, since it uses as much as digits as its factorization.

12816554351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 144000, while the sum is 41.

The spelling of 12816554351 in words is "twelve billion, eight hundred sixteen million, five hundred fifty-four thousand, three hundred fifty-one".