43108161113 has 2 divisors, whose sum is σ = 43108161114. Its totient is φ = 43108161112.

The previous prime is 43108161073. The next prime is 43108161121. The reversal of 43108161113 is 31116180134.

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., 42895380544 + 212780569 = 207112^2 + 14587^2 .

It is a cyclic number.

It is not a de Polignac number, because 43108161113 - 2⁶ = 43108161049 is a prime.

It is not a weakly prime, because it can be changed into another prime (43108161163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21554080556 + 21554080557.

It is an arithmetic number, because the mean of its divisors is an integer number (21554080557).

Almost surely, 2^43108161113 is an apocalyptic number.

It is an amenable number.

43108161113 is a deficient number, since it is larger than the sum of its proper divisors (1).

43108161113 is an equidigital number, since it uses as much as digits as its factorization.

43108161113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 43108161113 in words is "forty-three billion, one hundred eight million, one hundred sixty-one thousand, one hundred thirteen".