43542599011 has 2 divisors, whose sum is σ = 43542599012. Its totient is φ = 43542599010.

The previous prime is 43542598961. The next prime is 43542599071. The reversal of 43542599011 is 11099524534.

43542599011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43542599011 - 2⁹ = 43542598499 is a prime.

It is not a weakly prime, because it can be changed into another prime (43542599071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21771299505 + 21771299506.

It is an arithmetic number, because the mean of its divisors is an integer number (21771299506).

Almost surely, 2^43542599011 is an apocalyptic number.

43542599011 is a deficient number, since it is larger than the sum of its proper divisors (1).

43542599011 is an equidigital number, since it uses as much as digits as its factorization.

43542599011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 194400, while the sum is 43.

The spelling of 43542599011 in words is "forty-three billion, five hundred forty-two million, five hundred ninety-nine thousand, eleven".