515116130 has 16 divisors (see below), whose sum is σ = 927596664. Its totient is φ = 205960320.

The previous prime is 515116127. The next prime is 515116139. The reversal of 515116130 is 31611515.

It can be written as a sum of positive squares in 4 ways, for example, as 417916249 + 97199881 = 20443^2 + 9859^2 .

It is a junction number, because it is equal to n+sod(n) for n = 515116096 and 515116105.

It is not an unprimeable number, because it can be changed into a prime (515116139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18014 + ... + 36806.

Almost surely, 2^515116130 is an apocalyptic number.

515116130 is a deficient number, since it is larger than the sum of its proper divisors (412480534).

515116130 is a wasteful number, since it uses less digits than its factorization.

515116130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21541.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 515116130 is about 22696.1699412037. The cubic root of 515116130 is about 801.6197028652.

Adding to 515116130 its reverse (31611515), we get a palindrome (546727645).

The spelling of 515116130 in words is "five hundred fifteen million, one hundred sixteen thousand, one hundred thirty".