42003240003311 has 2 divisors, whose sum is σ = 42003240003312. Its totient is φ = 42003240003310.

The previous prime is 42003240003287. The next prime is 42003240003383. The reversal of 42003240003311 is 11330004230024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42003240003311 - 2⁶ = 42003240003247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42003240003391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21001620001655 + 21001620001656.

It is an arithmetic number, because the mean of its divisors is an integer number (21001620001656).

Almost surely, 2^{42003240003311} is an apocalyptic number.

42003240003311 is a deficient number, since it is larger than the sum of its proper divisors (1).

42003240003311 is an equidigital number, since it uses as much as digits as its factorization.

42003240003311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 42003240003311 its reverse (11330004230024), we get a palindrome (53333244233335).

The spelling of 42003240003311 in words is "forty-two trillion, three billion, two hundred forty million, three thousand, three hundred eleven".