516540306103 has 4 divisors (see below), whose sum is σ = 516789965160. Its totient is φ = 516290647048.

The previous prime is 516540306067. The next prime is 516540306127. The reversal of 516540306103 is 301603045615.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 516540306103 - 2⁹ = 516540305591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (516540306193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124826425 + ... + 124830562.

It is an arithmetic number, because the mean of its divisors is an integer number (129197491290).

Almost surely, 2^516540306103 is an apocalyptic number.

516540306103 is a deficient number, since it is larger than the sum of its proper divisors (249659057).

516540306103 is a wasteful number, since it uses less digits than its factorization.

516540306103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249659056.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 516540306103 in words is "five hundred sixteen billion, five hundred forty million, three hundred six thousand, one hundred three".