6515651151 has 8 divisors (see below), whose sum is σ = 9652816560. Its totient is φ = 4343767416.

The previous prime is 6515651113. The next prime is 6515651159. The reversal of 6515651151 is 1511565156.

It is a happy number.

It is not a de Polignac number, because 6515651151 - 2¹⁴ = 6515634767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6515651159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120660180 + ... + 120660233.

It is an arithmetic number, because the mean of its divisors is an integer number (1206602070).

Almost surely, 2^6515651151 is an apocalyptic number.

6515651151 is a deficient number, since it is larger than the sum of its proper divisors (3137165409).

6515651151 is a wasteful number, since it uses less digits than its factorization.

6515651151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241320422 (or 241320416 counting only the distinct ones).

The product of its digits is 22500, while the sum is 36.

The square root of 6515651151 is about 80719.5834416903. The cubic root of 6515651151 is about 1867.7522776556.

The spelling of 6515651151 in words is "six billion, five hundred fifteen million, six hundred fifty-one thousand, one hundred fifty-one".