211367152049 has 2 divisors, whose sum is σ = 211367152050. Its totient is φ = 211367152048.

The previous prime is 211367151997. The next prime is 211367152081. The reversal of 211367152049 is 940251763112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 159175465024 + 52191687025 = 398968^2 + 228455^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211367152049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211367151997 and 211367152015.

It is not a weakly prime, because it can be changed into another prime (213367152049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105683576024 + 105683576025.

It is an arithmetic number, because the mean of its divisors is an integer number (105683576025).

Almost surely, 2^211367152049 is an apocalyptic number.

It is an amenable number.

211367152049 is a deficient number, since it is larger than the sum of its proper divisors (1).

211367152049 is an equidigital number, since it uses as much as digits as its factorization.

211367152049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 41.

The spelling of 211367152049 in words is "two hundred eleven billion, three hundred sixty-seven million, one hundred fifty-two thousand, forty-nine".