611114144547769 has 2 divisors, whose sum is σ = 611114144547770. Its totient is φ = 611114144547768.

The previous prime is 611114144547743. The next prime is 611114144547787. The reversal of 611114144547769 is 967745441411116.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 394021031101369 + 217093113446400 = 19849963^2 + 14734080^2 .

It is a cyclic number.

It is not a de Polignac number, because 611114144547769 - 2¹¹ = 611114144545721 is a prime.

It is a super-2 number, since 2×611114144547769² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (611117144547769) 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, 305557072273884 + 305557072273885.

It is an arithmetic number, because the mean of its divisors is an integer number (305557072273885).

Almost surely, 2^{611114144547769} is an apocalyptic number.

It is an amenable number.

611114144547769 is a deficient number, since it is larger than the sum of its proper divisors (1).

611114144547769 is an equidigital number, since it uses as much as digits as its factorization.

611114144547769 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20321280, while the sum is 61.

The spelling of 611114144547769 in words is "six hundred eleven trillion, one hundred fourteen billion, one hundred forty-four million, five hundred forty-seven thousand, seven hundred sixty-nine".