1342352305551 has 4 divisors (see below), whose sum is σ = 1789803074072. Its totient is φ = 894901537032.

The previous prime is 1342352305493. The next prime is 1342352305607. The reversal of 1342352305551 is 1555032532431.

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

It is not a de Polignac number, because 1342352305551 - 2²¹ = 1342350208399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1342352305451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223725384256 + ... + 223725384261.

It is an arithmetic number, because the mean of its divisors is an integer number (447450768518).

Almost surely, 2^{1342352305551} is an apocalyptic number.

1342352305551 is a deficient number, since it is larger than the sum of its proper divisors (447450768521).

1342352305551 is an equidigital number, since it uses as much as digits as its factorization.

1342352305551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447450768520.

The product of its (nonzero) digits is 270000, while the sum is 39.

Adding to 1342352305551 its reverse (1555032532431), we get a palindrome (2897384837982).

The spelling of 1342352305551 in words is "one trillion, three hundred forty-two billion, three hundred fifty-two million, three hundred five thousand, five hundred fifty-one".