516512240351 has 4 divisors (see below), whose sum is σ = 516664562304. Its totient is φ = 516359918400.

The previous prime is 516512240311. The next prime is 516512240353. The reversal of 516512240351 is 153042215615.

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 516512240351 - 2⁶ = 516512240287 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 (516512240353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76155890 + ... + 76162671.

It is an arithmetic number, because the mean of its divisors is an integer number (129166140576).

Almost surely, 2^516512240351 is an apocalyptic number.

516512240351 is a deficient number, since it is larger than the sum of its proper divisors (152321953).

516512240351 is a wasteful number, since it uses less digits than its factorization.

516512240351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152321952.

The product of its (nonzero) digits is 36000, while the sum is 35.

Adding to 516512240351 its reverse (153042215615), we get a palindrome (669554455966).

The spelling of 516512240351 in words is "five hundred sixteen billion, five hundred twelve million, two hundred forty thousand, three hundred fifty-one".