42003003611 has 2 divisors, whose sum is σ = 42003003612. Its totient is φ = 42003003610.

The previous prime is 42003003587. The next prime is 42003003667. The reversal of 42003003611 is 11630030024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42003003611 - 2¹⁸ = 42002741467 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (42003002611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21001501805 + 21001501806.

It is an arithmetic number, because the mean of its divisors is an integer number (21001501806).

Almost surely, 2^42003003611 is an apocalyptic number.

42003003611 is a deficient number, since it is larger than the sum of its proper divisors (1).

42003003611 is an equidigital number, since it uses as much as digits as its factorization.

42003003611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 42003003611 its reverse (11630030024), we get a palindrome (53633033635).

The spelling of 42003003611 in words is "forty-two billion, three million, three thousand, six hundred eleven".