1042042320005 has 8 divisors (see below), whose sum is σ = 1253420978424. Its totient is φ = 831653726400.

The previous prime is 1042042319893. The next prime is 1042042320019. The reversal of 1042042320005 is 5000232402401.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 22360417156 + 1019681902849 = 149534^2 + 1009793^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1042042320005 - 2³² = 1037747352709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247513886 + ... + 247518095.

It is an arithmetic number, because the mean of its divisors is an integer number (156677622303).

Almost surely, 2^{1042042320005} is an apocalyptic number.

It is an amenable number.

1042042320005 is a deficient number, since it is larger than the sum of its proper divisors (211378658419).

1042042320005 is an equidigital number, since it uses as much as digits as its factorization.

1042042320005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495032407.

The product of its (nonzero) digits is 1920, while the sum is 23.

Adding to 1042042320005 its reverse (5000232402401), we get a palindrome (6042274722406).

The spelling of 1042042320005 in words is "one trillion, forty-two billion, forty-two million, three hundred twenty thousand, five".