4323011711561 has 2 divisors, whose sum is σ = 4323011711562. Its totient is φ = 4323011711560.

The previous prime is 4323011711539. The next prime is 4323011711621. The reversal of 4323011711561 is 1651171103234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4000524017161 + 322487694400 = 2000131^2 + 567880^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4323011711561 is a prime.

It is a super-2 number, since 2×4323011711561² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4323011711761) 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, 2161505855780 + 2161505855781.

It is an arithmetic number, because the mean of its divisors is an integer number (2161505855781).

Almost surely, 2^{4323011711561} is an apocalyptic number.

It is an amenable number.

4323011711561 is a deficient number, since it is larger than the sum of its proper divisors (1).

4323011711561 is an equidigital number, since it uses as much as digits as its factorization.

4323011711561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

Adding to 4323011711561 its reverse (1651171103234), we get a palindrome (5974182814795).

The spelling of 4323011711561 in words is "four trillion, three hundred twenty-three billion, eleven million, seven hundred eleven thousand, five hundred sixty-one".