1513321211113 has 4 divisors (see below), whose sum is σ = 1513324200960. Its totient is φ = 1513318221268.

The previous prime is 1513321210979. The next prime is 1513321211119. The reversal of 1513321211113 is 3111121233151.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1513321211113 is a prime.

It is a super-2 number, since 2×1513321211113² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1513321211119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526633 + ... + 1817686.

It is an arithmetic number, because the mean of its divisors is an integer number (378331050240).

Almost surely, 2^{1513321211113} is an apocalyptic number.

It is an amenable number.

1513321211113 is a deficient number, since it is larger than the sum of its proper divisors (2989847).

1513321211113 is an equidigital number, since it uses as much as digits as its factorization.

1513321211113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989846.

The product of its digits is 540, while the sum is 25.

Adding to 1513321211113 its reverse (3111121233151), we get a palindrome (4624442444264).

The spelling of 1513321211113 in words is "one trillion, five hundred thirteen billion, three hundred twenty-one million, two hundred eleven thousand, one hundred thirteen".