1421351126159 has 2 divisors, whose sum is σ = 1421351126160. Its totient is φ = 1421351126158.

The previous prime is 1421351126131. The next prime is 1421351126267. The reversal of 1421351126159 is 9516211531241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1421351126159 - 2¹² = 1421351122063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1421351126659) 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, 710675563079 + 710675563080.

It is an arithmetic number, because the mean of its divisors is an integer number (710675563080).

Almost surely, 2^{1421351126159} is an apocalyptic number.

1421351126159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1421351126159 is an equidigital number, since it uses as much as digits as its factorization.

1421351126159 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 41.

The spelling of 1421351126159 in words is "one trillion, four hundred twenty-one billion, three hundred fifty-one million, one hundred twenty-six thousand, one hundred fifty-nine".