513143321031505 has 8 divisors (see below), whose sum is σ = 635635597665024. Its totient is φ = 397272248540400.

The previous prime is 513143321031449. The next prime is 513143321031529. The reversal of 513143321031505 is 505130123341315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 513143321031505 - 2¹⁷ = 513143320900433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1655301035431 + ... + 1655301035740.

It is an arithmetic number, because the mean of its divisors is an integer number (79454449708128).

Almost surely, 2^{513143321031505} is an apocalyptic number.

It is an amenable number.

513143321031505 is a deficient number, since it is larger than the sum of its proper divisors (122492276633519).

513143321031505 is a wasteful number, since it uses less digits than its factorization.

513143321031505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3310602071207.

The product of its (nonzero) digits is 81000, while the sum is 37.

The spelling of 513143321031505 in words is "five hundred thirteen trillion, one hundred forty-three billion, three hundred twenty-one million, thirty-one thousand, five hundred five".