211351553403071 has 2 divisors, whose sum is σ = 211351553403072. Its totient is φ = 211351553403070.

The previous prime is 211351553403043. The next prime is 211351553403083. The reversal of 211351553403071 is 170304355153112.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211351553403071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (211351553402071) 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, 105675776701535 + 105675776701536.

It is an arithmetic number, because the mean of its divisors is an integer number (105675776701536).

Almost surely, 2^{211351553403071} is an apocalyptic number.

211351553403071 is a deficient number, since it is larger than the sum of its proper divisors (1).

211351553403071 is an equidigital number, since it uses as much as digits as its factorization.

211351553403071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189000, while the sum is 41.

The spelling of 211351553403071 in words is "two hundred eleven trillion, three hundred fifty-one billion, five hundred fifty-three million, four hundred three thousand, seventy-one".