500000001515 has 16 divisors (see below), whose sum is σ = 726050423232. Its totient is φ = 322689076224.

The previous prime is 500000001509. The next prime is 500000001521. The reversal of 500000001515 is 515100000005.

It is an interprime number because it is at equal distance from previous prime (500000001509) and next prime (500000001521).

It is a cyclic number.

It is not a de Polignac number, because 500000001515 - 2¹⁴ = 499999985131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 500000001493 and 500000001502.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 420167474 + ... + 420168663.

It is an arithmetic number, because the mean of its divisors is an integer number (45378151452).

Almost surely, 2^500000001515 is an apocalyptic number.

500000001515 is a deficient number, since it is larger than the sum of its proper divisors (226050421717).

500000001515 is a wasteful number, since it uses less digits than its factorization.

500000001515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840336166.

The product of its (nonzero) digits is 125, while the sum is 17.

The spelling of 500000001515 in words is "five hundred billion, one thousand, five hundred fifteen".