42003434011 has 48 divisors (see below), whose sum is σ = 54142315488. Its totient is φ = 32216486400.

The previous prime is 42003433991. The next prime is 42003434047. The reversal of 42003434011 is 11043430024.

42003434011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42003434011 - 2¹³ = 42003425819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42003434411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30414541 + ... + 30415921.

It is an arithmetic number, because the mean of its divisors is an integer number (1127964906).

Almost surely, 2^42003434011 is an apocalyptic number.

42003434011 is a deficient number, since it is larger than the sum of its proper divisors (12138881477).

42003434011 is a wasteful number, since it uses less digits than its factorization.

42003434011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252 (or 2245 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 42003434011 its reverse (11043430024), we get a palindrome (53046864035).

The spelling of 42003434011 in words is "forty-two billion, three million, four hundred thirty-four thousand, eleven".