260655515809 has 8 divisors (see below), whose sum is σ = 280920729600. Its totient is φ = 240420986256.

The previous prime is 260655515797. The next prime is 260655515843. The reversal of 260655515809 is 908515556062.

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 260655515809 - 2¹⁹ = 260654991521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260655515849) 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, 7653409 + ... + 7687390.

It is an arithmetic number, because the mean of its divisors is an integer number (35115091200).

Almost surely, 2^260655515809 is an apocalyptic number.

It is an amenable number.

260655515809 is a deficient number, since it is larger than the sum of its proper divisors (20265213791).

260655515809 is a wasteful number, since it uses less digits than its factorization.

260655515809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15342119.

The product of its (nonzero) digits is 3240000, while the sum is 52.

The spelling of 260655515809 in words is "two hundred sixty billion, six hundred fifty-five million, five hundred fifteen thousand, eight hundred nine".