2165006311063 has 2 divisors, whose sum is σ = 2165006311064. Its totient is φ = 2165006311062.

The previous prime is 2165006311051. The next prime is 2165006311087. The reversal of 2165006311063 is 3601136005612.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2165006311063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2165006311003) 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, 1082503155531 + 1082503155532.

It is an arithmetic number, because the mean of its divisors is an integer number (1082503155532).

Almost surely, 2^{2165006311063} is an apocalyptic number.

2165006311063 is a deficient number, since it is larger than the sum of its proper divisors (1).

2165006311063 is an equidigital number, since it uses as much as digits as its factorization.

2165006311063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 2165006311063 in words is "two trillion, one hundred sixty-five billion, six million, three hundred eleven thousand, sixty-three".