260026443211543 has 16 divisors (see below), whose sum is σ = 265264380702720. Its totient is φ = 254834931197376.

The previous prime is 260026443211477. The next prime is 260026443211571. The reversal of 260026443211543 is 345112344620062.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260026443211543 is a prime.

It is a super-2 number, since 2×260026443211543² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 260026443211543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260026443211243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29225046 + ... + 37069612.

It is an arithmetic number, because the mean of its divisors is an integer number (16579023793920).

Almost surely, 2^{260026443211543} is an apocalyptic number.

260026443211543 is a deficient number, since it is larger than the sum of its proper divisors (5237937491177).

260026443211543 is a wasteful number, since it uses less digits than its factorization.

260026443211543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7847526.

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 260026443211543 in words is "two hundred sixty trillion, twenty-six billion, four hundred forty-three million, two hundred eleven thousand, five hundred forty-three".