515116612 has 6 divisors (see below), whose sum is σ = 901454078. Its totient is φ = 257558304.

The previous prime is 515116601. The next prime is 515116673. The reversal of 515116612 is 216611515.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 268500996 + 246615616 = 16386^2 + 15704^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 64389573 + ... + 64389580.

Almost surely, 2^515116612 is an apocalyptic number.

It is an amenable number.

515116612 is a deficient number, since it is larger than the sum of its proper divisors (386337466).

515116612 is a wasteful number, since it uses less digits than its factorization.

515116612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128779157 (or 128779155 counting only the distinct ones).

The product of its digits is 1800, while the sum is 28.

The square root of 515116612 is about 22696.1805597330. The cubic root of 515116612 is about 801.6199528933.

The spelling of 515116612 in words is "five hundred fifteen million, one hundred sixteen thousand, six hundred twelve".