260198668311 has 4 divisors (see below), whose sum is σ = 346931557752. Its totient is φ = 173465778872.

The previous prime is 260198668309. The next prime is 260198668349. The reversal of 260198668311 is 113866891062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 260198668311 - 2¹ = 260198668309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260198668351) 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 3 ways as a sum of consecutive naturals, for example, 43366444716 + ... + 43366444721.

It is an arithmetic number, because the mean of its divisors is an integer number (86732889438).

Almost surely, 2^260198668311 is an apocalyptic number.

260198668311 is a deficient number, since it is larger than the sum of its proper divisors (86732889441).

260198668311 is an equidigital number, since it uses as much as digits as its factorization.

260198668311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86732889440.

The product of its (nonzero) digits is 746496, while the sum is 51.

The spelling of 260198668311 in words is "two hundred sixty billion, one hundred ninety-eight million, six hundred sixty-eight thousand, three hundred eleven".