1513323732513 has 16 divisors (see below), whose sum is σ = 2136508392960. Its totient is φ = 949513633536.

The previous prime is 1513323732511. The next prime is 1513323732523. The reversal of 1513323732513 is 3152373233151.

It is not a de Polignac number, because 1513323732513 - 2¹ = 1513323732511 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1513323732511) 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 15 ways as a sum of consecutive naturals, for example, 1927728 + ... + 2596686.

It is an arithmetic number, because the mean of its divisors is an integer number (133531774560).

Almost surely, 2^{1513323732513} is an apocalyptic number.

It is an amenable number.

1513323732513 is a deficient number, since it is larger than the sum of its proper divisors (623184660447).

1513323732513 is a wasteful number, since it uses less digits than its factorization.

1513323732513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713336.

The product of its digits is 170100, while the sum is 39.

Adding to 1513323732513 its reverse (3152373233151), we get a palindrome (4665696965664).

The spelling of 1513323732513 in words is "one trillion, five hundred thirteen billion, three hundred twenty-three million, seven hundred thirty-two thousand, five hundred thirteen".