515500005 has 16 divisors (see below), whose sum is σ = 825110784. Its totient is φ = 274829760.

The previous prime is 515500003. The next prime is 515500031. The reversal of 515500005 is 500005515.

It is not a de Polignac number, because 515500005 - 2¹ = 515500003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515500003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51295 + ... + 60515.

It is an arithmetic number, because the mean of its divisors is an integer number (51569424).

Almost surely, 2^515500005 is an apocalyptic number.

It is an amenable number.

515500005 is a deficient number, since it is larger than the sum of its proper divisors (309610779).

515500005 is a wasteful number, since it uses less digits than its factorization.

515500005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12956.

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 515500005 is about 22704.6251895952. The cubic root of 515500005 is about 801.8187811810.

The spelling of 515500005 in words is "five hundred fifteen million, five hundred thousand, five".