1342255513565 has 4 divisors (see below), whose sum is σ = 1610706616284. Its totient is φ = 1073804410848.

The previous prime is 1342255513553. The next prime is 1342255513583. The reversal of 1342255513565 is 5653155522431.

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 210742510489 + 1131513003076 = 459067^2 + 1063726^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1342255513565 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 3 ways as a sum of consecutive naturals, for example, 134225551352 + ... + 134225551361.

It is an arithmetic number, because the mean of its divisors is an integer number (402676654071).

Almost surely, 2^{1342255513565} is an apocalyptic number.

It is an amenable number.

1342255513565 is a deficient number, since it is larger than the sum of its proper divisors (268451102719).

1342255513565 is an equidigital number, since it uses as much as digits as its factorization.

1342255513565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268451102718.

The product of its digits is 2700000, while the sum is 47.

The spelling of 1342255513565 in words is "one trillion, three hundred forty-two billion, two hundred fifty-five million, five hundred thirteen thousand, five hundred sixty-five".