260111143 has 2 divisors, whose sum is σ = 260111144. Its totient is φ = 260111142.

The previous prime is 260111141. The next prime is 260111161. The reversal of 260111143 is 341111062.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 260111143 - 2¹ = 260111141 is a prime.

Together with 260111141, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 260111143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (260111141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130055571 + 130055572.

It is an arithmetic number, because the mean of its divisors is an integer number (130055572).

Almost surely, 2^260111143 is an apocalyptic number.

260111143 is a deficient number, since it is larger than the sum of its proper divisors (1).

260111143 is an equidigital number, since it uses as much as digits as its factorization.

260111143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 260111143 is about 16127.9615264918. The cubic root of 260111143 is about 638.3413618886.

The spelling of 260111143 in words is "two hundred sixty million, one hundred eleven thousand, one hundred forty-three".