1312452315535 has 4 divisors (see below), whose sum is σ = 1574942778648. Its totient is φ = 1049961852424.

The previous prime is 1312452315413. The next prime is 1312452315557. The reversal of 1312452315535 is 5355132542131.

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

It is a cyclic number.

It is not a de Polignac number, because 1312452315535 - 2³³ = 1303862380943 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, 131245231549 + ... + 131245231558.

It is an arithmetic number, because the mean of its divisors is an integer number (393735694662).

Almost surely, 2^{1312452315535} is an apocalyptic number.

1312452315535 is a deficient number, since it is larger than the sum of its proper divisors (262490463113).

1312452315535 is an equidigital number, since it uses as much as digits as its factorization.

1312452315535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262490463112.

The product of its digits is 270000, while the sum is 40.

Adding to 1312452315535 its reverse (5355132542131), we get a palindrome (6667584857666).

The spelling of 1312452315535 in words is "one trillion, three hundred twelve billion, four hundred fifty-two million, three hundred fifteen thousand, five hundred thirty-five".