1351113415613 has 4 divisors (see below), whose sum is σ = 1455045216828. Its totient is φ = 1247181614400.

The previous prime is 1351113415609. The next prime is 1351113415781. The reversal of 1351113415613 is 3165143111531.

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 204935479204 + 1146177936409 = 452698^2 + 1070597^2 .

It is a cyclic number.

It is not a de Polignac number, because 1351113415613 - 2² = 1351113415609 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 (1351113415513) 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, 51965900588 + ... + 51965900613.

It is an arithmetic number, because the mean of its divisors is an integer number (363761304207).

Almost surely, 2^{1351113415613} is an apocalyptic number.

1351113415613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1351113415613 is a deficient number, since it is larger than the sum of its proper divisors (103931801215).

1351113415613 is a wasteful number, since it uses less digits than its factorization.

1351113415613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103931801214.

The product of its digits is 16200, while the sum is 35.

The spelling of 1351113415613 in words is "one trillion, three hundred fifty-one billion, one hundred thirteen million, four hundred fifteen thousand, six hundred thirteen".