43588109252161 has 2 divisors, whose sum is σ = 43588109252162. Its totient is φ = 43588109252160.

The previous prime is 43588109252131. The next prime is 43588109252167. The reversal of 43588109252161 is 16125290188534.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38129624656561 + 5458484595600 = 6174919^2 + 2336340^2 .

It is a cyclic number.

It is not a de Polignac number, because 43588109252161 - 2⁹ = 43588109251649 is a prime.

It is not a weakly prime, because it can be changed into another prime (43588109252167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21794054626080 + 21794054626081.

It is an arithmetic number, because the mean of its divisors is an integer number (21794054626081).

Almost surely, 2^{43588109252161} is an apocalyptic number.

It is an amenable number.

43588109252161 is a deficient number, since it is larger than the sum of its proper divisors (1).

43588109252161 is an equidigital number, since it uses as much as digits as its factorization.

43588109252161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4147200, while the sum is 55.

The spelling of 43588109252161 in words is "forty-three trillion, five hundred eighty-eight billion, one hundred nine million, two hundred fifty-two thousand, one hundred sixty-one".