343775211063551 has 2 divisors, whose sum is σ = 343775211063552. Its totient is φ = 343775211063550.

The previous prime is 343775211063539. The next prime is 343775211063587. The reversal of 343775211063551 is 155360112577343.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-343775211063551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 343775211063493 and 343775211063502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (343775211063511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171887605531775 + 171887605531776.

It is an arithmetic number, because the mean of its divisors is an integer number (171887605531776).

Almost surely, 2^{343775211063551} is an apocalyptic number.

343775211063551 is a deficient number, since it is larger than the sum of its proper divisors (1).

343775211063551 is an equidigital number, since it uses as much as digits as its factorization.

343775211063551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7938000, while the sum is 53.

The spelling of 343775211063551 in words is "three hundred forty-three trillion, seven hundred seventy-five billion, two hundred eleven million, sixty-three thousand, five hundred fifty-one".