1315355013013 has 4 divisors (see below), whose sum is σ = 1315362727180. Its totient is φ = 1315347298848.

The previous prime is 1315355012929. The next prime is 1315355013107. The reversal of 1315355013013 is 3103105535131.

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 457866048964 + 857488964049 = 676658^2 + 926007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1315355013013 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 (1315355013613) 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, 3595398 + ... + 3944311.

It is an arithmetic number, because the mean of its divisors is an integer number (328840681795).

Almost surely, 2^{1315355013013} is an apocalyptic number.

It is an amenable number.

1315355013013 is a deficient number, since it is larger than the sum of its proper divisors (7714167).

1315355013013 is an equidigital number, since it uses as much as digits as its factorization.

1315355013013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7714166.

The product of its (nonzero) digits is 10125, while the sum is 31.

The spelling of 1315355013013 in words is "one trillion, three hundred fifteen billion, three hundred fifty-five million, thirteen thousand, thirteen".