43113340420001 has 2 divisors, whose sum is σ = 43113340420002. Its totient is φ = 43113340420000.

The previous prime is 43113340419979. The next prime is 43113340420027. The reversal of 43113340420001 is 10002404331134.

It is a happy number.

It is an a-pointer prime, because the next prime (43113340420027) can be obtained adding 43113340420001 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42794820150625 + 318520269376 = 6541775^2 + 564376^2 .

It is a cyclic number.

It is not a de Polignac number, because 43113340420001 - 2⁶ = 43113340419937 is a prime.

It is not a weakly prime, because it can be changed into another prime (43113340420081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21556670210000 + 21556670210001.

It is an arithmetic number, because the mean of its divisors is an integer number (21556670210001).

Almost surely, 2^{43113340420001} is an apocalyptic number.

It is an amenable number.

43113340420001 is a deficient number, since it is larger than the sum of its proper divisors (1).

43113340420001 is an equidigital number, since it uses as much as digits as its factorization.

43113340420001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 43113340420001 its reverse (10002404331134), we get a palindrome (53115744751135).

The spelling of 43113340420001 in words is "forty-three trillion, one hundred thirteen billion, three hundred forty million, four hundred twenty thousand, one".