513242133515 has 4 divisors (see below), whose sum is σ = 615890560224. Its totient is φ = 410593706808.

The previous prime is 513242133491. The next prime is 513242133581. The reversal of 513242133515 is 515331242315.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-513242133515 is a prime.

It is a Duffinian 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, 51324213347 + ... + 51324213356.

It is an arithmetic number, because the mean of its divisors is an integer number (153972640056).

Almost surely, 2^513242133515 is an apocalyptic number.

513242133515 is a deficient number, since it is larger than the sum of its proper divisors (102648426709).

513242133515 is a wasteful number, since it uses less digits than its factorization.

513242133515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102648426708.

The product of its digits is 54000, while the sum is 35.

The spelling of 513242133515 in words is "five hundred thirteen billion, two hundred forty-two million, one hundred thirty-three thousand, five hundred fifteen".