505112515 has 8 divisors (see below), whose sum is σ = 612020448. Its totient is φ = 400166400.

The previous prime is 505112507. The next prime is 505112521. The reversal of 505112515 is 515211505.

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

It is not a de Polignac number, because 505112515 - 2³ = 505112507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 505112515.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489886 + ... + 490915.

It is an arithmetic number, because the mean of its divisors is an integer number (76502556).

Almost surely, 2^505112515 is an apocalyptic number.

505112515 is a deficient number, since it is larger than the sum of its proper divisors (106907933).

505112515 is a wasteful number, since it uses less digits than its factorization.

505112515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980909.

The product of its (nonzero) digits is 1250, while the sum is 25.

The square root of 505112515 is about 22474.7083407105. The cubic root of 505112515 is about 796.3965616388.

The spelling of 505112515 in words is "five hundred five million, one hundred twelve thousand, five hundred fifteen".