611115620850067 has 2 divisors, whose sum is σ = 611115620850068. Its totient is φ = 611115620850066.

The previous prime is 611115620850047. The next prime is 611115620850113. The reversal of 611115620850067 is 760058026511116.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-611115620850067 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 611115620850067.

It is not a weakly prime, because it can be changed into another prime (611115620850047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305557810425033 + 305557810425034.

It is an arithmetic number, because the mean of its divisors is an integer number (305557810425034).

Almost surely, 2^{611115620850067} is an apocalyptic number.

611115620850067 is a deficient number, since it is larger than the sum of its proper divisors (1).

611115620850067 is an equidigital number, since it uses as much as digits as its factorization.

611115620850067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 604800, while the sum is 49.

The spelling of 611115620850067 in words is "six hundred eleven trillion, one hundred fifteen billion, six hundred twenty million, eight hundred fifty thousand, sixty-seven".