355980221743127 has 2 divisors, whose sum is σ = 355980221743128. Its totient is φ = 355980221743126.

The previous prime is 355980221743033. The next prime is 355980221743129. The reversal of 355980221743127 is 721347122089553.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 355980221743127 - 2⁴⁴ = 338388035698711 is a prime.

Together with 355980221743129, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355980221743129) 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, 177990110871563 + 177990110871564.

It is an arithmetic number, because the mean of its divisors is an integer number (177990110871564).

Almost surely, 2^{355980221743127} is an apocalyptic number.

355980221743127 is a deficient number, since it is larger than the sum of its proper divisors (1).

355980221743127 is an equidigital number, since it uses as much as digits as its factorization.

355980221743127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25401600, while the sum is 59.

The spelling of 355980221743127 in words is "three hundred fifty-five trillion, nine hundred eighty billion, two hundred twenty-one million, seven hundred forty-three thousand, one hundred twenty-seven".