126143815559 has 2 divisors, whose sum is σ = 126143815560. Its totient is φ = 126143815558.

The previous prime is 126143815541. The next prime is 126143815573. The reversal of 126143815559 is 955518341621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 126143815559 - 2²⁴ = 126127038343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126143865559) 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, 63071907779 + 63071907780.

It is an arithmetic number, because the mean of its divisors is an integer number (63071907780).

Almost surely, 2^126143815559 is an apocalyptic number.

126143815559 is a deficient number, since it is larger than the sum of its proper divisors (1).

126143815559 is an equidigital number, since it uses as much as digits as its factorization.

126143815559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296000, while the sum is 50.

The spelling of 126143815559 in words is "one hundred twenty-six billion, one hundred forty-three million, eight hundred fifteen thousand, five hundred fifty-nine".