64191056706311 has 2 divisors, whose sum is σ = 64191056706312. Its totient is φ = 64191056706310.

The previous prime is 64191056706221. The next prime is 64191056706323. The reversal of 64191056706311 is 11360765019146.

64191056706311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64191056706311 - 2¹⁴ = 64191056689927 is a prime.

It is a super-2 number, since 2×64191056706311² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 64191056706311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64191056703311) 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, 32095528353155 + 32095528353156.

It is an arithmetic number, because the mean of its divisors is an integer number (32095528353156).

Almost surely, 2^{64191056706311} is an apocalyptic number.

64191056706311 is a deficient number, since it is larger than the sum of its proper divisors (1).

64191056706311 is an equidigital number, since it uses as much as digits as its factorization.

64191056706311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 50.

The spelling of 64191056706311 in words is "sixty-four trillion, one hundred ninety-one billion, fifty-six million, seven hundred six thousand, three hundred eleven".