611265316870211 has 2 divisors, whose sum is σ = 611265316870212. Its totient is φ = 611265316870210.

The previous prime is 611265316870163. The next prime is 611265316870237. The reversal of 611265316870211 is 112078613562116.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 611265316870211 - 2¹⁴ = 611265316853827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 611265316870211.

It is not a weakly prime, because it can be changed into another prime (611265316870291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305632658435105 + 305632658435106.

It is an arithmetic number, because the mean of its divisors is an integer number (305632658435106).

Almost surely, 2^{611265316870211} is an apocalyptic number.

611265316870211 is a deficient number, since it is larger than the sum of its proper divisors (1).

611265316870211 is an equidigital number, since it uses as much as digits as its factorization.

611265316870211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 50.

The spelling of 611265316870211 in words is "six hundred eleven trillion, two hundred sixty-five billion, three hundred sixteen million, eight hundred seventy thousand, two hundred eleven".