505150515 has 12 divisors (see below), whose sum is σ = 875594304. Its totient is φ = 269413584.

The previous prime is 505150493. The next prime is 505150517. The reversal of 505150515 is 515051505.

505150515 is a `hidden beast` number, since 50 + 51 + 50 + 515 = 666.

505150515 is nontrivially palindromic in base 8.

It is not a de Polignac number, because 505150515 - 2²⁴ = 488373299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505150517) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5612739 + ... + 5612828.

It is an arithmetic number, because the mean of its divisors is an integer number (72966192).

Almost surely, 2^505150515 is an apocalyptic number.

505150515 is a deficient number, since it is larger than the sum of its proper divisors (370443789).

505150515 is a wasteful number, since it uses less digits than its factorization.

505150515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11225578 (or 11225575 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 27.

The square root of 505150515 is about 22475.5537195416. The cubic root of 505150515 is about 796.4165323117.

The spelling of 505150515 in words is "five hundred five million, one hundred fifty thousand, five hundred fifteen".