43111343652197 has 2 divisors, whose sum is σ = 43111343652198. Its totient is φ = 43111343652196.

The previous prime is 43111343652119. The next prime is 43111343652283. The reversal of 43111343652197 is 79125634311134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36111133636516 + 7000210015681 = 6009254^2 + 2645791^2 .

It is a cyclic number.

It is not a de Polignac number, because 43111343652197 - 2⁸ = 43111343651941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43111343652397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21555671826098 + 21555671826099.

It is an arithmetic number, because the mean of its divisors is an integer number (21555671826099).

Almost surely, 2^{43111343652197} is an apocalyptic number.

It is an amenable number.

43111343652197 is a deficient number, since it is larger than the sum of its proper divisors (1).

43111343652197 is an equidigital number, since it uses as much as digits as its factorization.

43111343652197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 50.

The spelling of 43111343652197 in words is "forty-three trillion, one hundred eleven billion, three hundred forty-three million, six hundred fifty-two thousand, one hundred ninety-seven".