6515116351 has 4 divisors (see below), whose sum is σ = 6516172872. Its totient is φ = 6514059832.

The previous prime is 6515116327. The next prime is 6515116393. The reversal of 6515116351 is 1536115156.

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 6515116351 - 2¹¹ = 6515114303 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 (6518116351) 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, 518956 + ... + 531361.

It is an arithmetic number, because the mean of its divisors is an integer number (1629043218).

Almost surely, 2^6515116351 is an apocalyptic number.

6515116351 is a deficient number, since it is larger than the sum of its proper divisors (1056521).

6515116351 is a wasteful number, since it uses less digits than its factorization.

6515116351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056520.

The product of its digits is 13500, while the sum is 34.

The square root of 6515116351 is about 80716.2706707886. The cubic root of 6515116351 is about 1867.7011749991.

The spelling of 6515116351 in words is "six billion, five hundred fifteen million, one hundred sixteen thousand, three hundred fifty-one".