1342643522015 has 8 divisors (see below), whose sum is σ = 1681223192928. Its totient is φ = 1027414173280.

The previous prime is 1342643521931. The next prime is 1342643522029. The reversal of 1342643522015 is 5102253462431.

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

It is not a de Polignac number, because 1342643522015 - 2¹⁸ = 1342643259871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1342643522015.

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, 5837580416 + ... + 5837580645.

It is an arithmetic number, because the mean of its divisors is an integer number (210152899116).

Almost surely, 2^{1342643522015} is an apocalyptic number.

1342643522015 is a deficient number, since it is larger than the sum of its proper divisors (338579670913).

1342643522015 is a wasteful number, since it uses less digits than its factorization.

1342643522015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11675161089.

The product of its (nonzero) digits is 172800, while the sum is 38.

Adding to 1342643522015 its reverse (5102253462431), we get a palindrome (6444896984446).

The spelling of 1342643522015 in words is "one trillion, three hundred forty-two billion, six hundred forty-three million, five hundred twenty-two thousand, fifteen".