6515105156 has 12 divisors (see below), whose sum is σ = 13030210368. Its totient is φ = 2792187912.

The previous prime is 6515105117. The next prime is 6515105161. The reversal of 6515105156 is 6515015156.

6515105156 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116341136 + ... + 116341191.

It is an arithmetic number, because the mean of its divisors is an integer number (1085850864).

Almost surely, 2^6515105156 is an apocalyptic number.

It is an amenable number.

6515105156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6515105156 is a wasteful number, since it uses less digits than its factorization.

6515105156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232682338 (or 232682336 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 35.

The square root of 6515105156 is about 80716.2013229067. The cubic root of 6515105156 is about 1867.7001052342.

Subtracting from 6515105156 its reverse (6515015156), we obtain a square (90000 = 300²).

The spelling of 6515105156 in words is "six billion, five hundred fifteen million, one hundred five thousand, one hundred fifty-six".