6551551315 has 8 divisors (see below), whose sum is σ = 8115470208. Its totient is φ = 5072168640.

The previous prime is 6551551313. The next prime is 6551551319. The reversal of 6551551315 is 5131551556.

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

It is not a de Polignac number, because 6551551315 - 2¹ = 6551551313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6551551313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21133882 + ... + 21134191.

It is an arithmetic number, because the mean of its divisors is an integer number (1014433776).

Almost surely, 2^6551551315 is an apocalyptic number.

6551551315 is a deficient number, since it is larger than the sum of its proper divisors (1563918893).

6551551315 is a wasteful number, since it uses less digits than its factorization.

6551551315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42268109.

The product of its digits is 56250, while the sum is 37.

The square root of 6551551315 is about 80941.6537698607. The cubic root of 6551551315 is about 1871.1763324173.

The spelling of 6551551315 in words is "six billion, five hundred fifty-one million, five hundred fifty-one thousand, three hundred fifteen".