260521258613 has 12 divisors (see below), whose sum is σ = 327266375520. Its totient is φ = 203003577480.

The previous prime is 260521258607. The next prime is 260521258637. The reversal of 260521258613 is 316852125062.

It is not a de Polignac number, because 260521258613 - 2⁴ = 260521258597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260521258013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 153789743 + ... + 153791436.

It is an arithmetic number, because the mean of its divisors is an integer number (27272197960).

Almost surely, 2^260521258613 is an apocalyptic number.

It is an amenable number.

260521258613 is a deficient number, since it is larger than the sum of its proper divisors (66745116907).

260521258613 is a wasteful number, since it uses less digits than its factorization.

260521258613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307581208 (or 307581197 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The spelling of 260521258613 in words is "two hundred sixty billion, five hundred twenty-one million, two hundred fifty-eight thousand, six hundred thirteen".