43111140001 has 2 divisors, whose sum is σ = 43111140002. Its totient is φ = 43111140000.

The previous prime is 43111139999. The next prime is 43111140041. The reversal of 43111140001 is 10004111134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42004912401 + 1106227600 = 204951^2 + 33260^2 .

It is a cyclic number.

It is not a de Polignac number, because 43111140001 - 2¹ = 43111139999 is a prime.

Together with 43111139999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (43111140041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21555570000 + 21555570001.

It is an arithmetic number, because the mean of its divisors is an integer number (21555570001).

Almost surely, 2^43111140001 is an apocalyptic number.

It is an amenable number.

43111140001 is a deficient number, since it is larger than the sum of its proper divisors (1).

43111140001 is an equidigital number, since it uses as much as digits as its factorization.

43111140001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 43111140001 its reverse (10004111134), we get a palindrome (53115251135).

The spelling of 43111140001 in words is "forty-three billion, one hundred eleven million, one hundred forty thousand, one".