6515251151 has 8 divisors (see below), whose sum is σ = 6642565920. Its totient is φ = 6388098912.

The previous prime is 6515251133. The next prime is 6515251163. The reversal of 6515251151 is 1511525156.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6515251151 - 2²² = 6511056847 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 (6515251111) 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 7 ways as a sum of consecutive naturals, for example, 41945 + ... + 121613.

It is an arithmetic number, because the mean of its divisors is an integer number (830320740).

Almost surely, 2^6515251151 is an apocalyptic number.

6515251151 is a deficient number, since it is larger than the sum of its proper divisors (127314769).

6515251151 is a wasteful number, since it uses less digits than its factorization.

6515251151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81265.

The product of its digits is 7500, while the sum is 32.

The square root of 6515251151 is about 80717.1056901819. The cubic root of 6515251151 is about 1867.7140560370.

The spelling of 6515251151 in words is "six billion, five hundred fifteen million, two hundred fifty-one thousand, one hundred fifty-one".