1342221115405 has 4 divisors (see below), whose sum is σ = 1610665338492. Its totient is φ = 1073776892320.

The previous prime is 1342221115351. The next prime is 1342221115427. The reversal of 1342221115405 is 5045111222431.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 427837652649 + 914383462756 = 654093^2 + 956234^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1342221115405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134222111536 + ... + 134222111545.

It is an arithmetic number, because the mean of its divisors is an integer number (402666334623).

Almost surely, 2^{1342221115405} is an apocalyptic number.

It is an amenable number.

1342221115405 is a deficient number, since it is larger than the sum of its proper divisors (268444223087).

1342221115405 is an equidigital number, since it uses as much as digits as its factorization.

1342221115405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268444223086.

The product of its (nonzero) digits is 9600, while the sum is 31.

Adding to 1342221115405 its reverse (5045111222431), we get a palindrome (6387332337836).

The spelling of 1342221115405 in words is "one trillion, three hundred forty-two billion, two hundred twenty-one million, one hundred fifteen thousand, four hundred five".