515116116563 has 4 divisors (see below), whose sum is σ = 516305761608. Its totient is φ = 513926471520.

The previous prime is 515116116547. The next prime is 515116116569. The reversal of 515116116563 is 365611611515.

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 515116116563 - 2⁴ = 515116116547 is a prime.

It is a super-2 number, since 2×515116116563² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 515116116563.

It is not an unprimeable number, because it can be changed into a prime (515116116569) 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, 594821873 + ... + 594822738.

It is an arithmetic number, because the mean of its divisors is an integer number (129076440402).

Almost surely, 2^515116116563 is an apocalyptic number.

515116116563 is a deficient number, since it is larger than the sum of its proper divisors (1189645045).

515116116563 is a wasteful number, since it uses less digits than its factorization.

515116116563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1189645044.

The product of its digits is 81000, while the sum is 41.

The spelling of 515116116563 in words is "five hundred fifteen billion, one hundred sixteen million, one hundred sixteen thousand, five hundred sixty-three".