260601611 has 2 divisors, whose sum is σ = 260601612. Its totient is φ = 260601610.

The previous prime is 260601581. The next prime is 260601613. The reversal of 260601611 is 116106062.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 260601611 - 2⁶ = 260601547 is a prime.

Together with 260601613, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (260601613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130300805 + 130300806.

It is an arithmetic number, because the mean of its divisors is an integer number (130300806).

Almost surely, 2^260601611 is an apocalyptic number.

260601611 is a deficient number, since it is larger than the sum of its proper divisors (1).

260601611 is an equidigital number, since it uses as much as digits as its factorization.

260601611 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 260601611 is about 16143.1598827491. The cubic root of 260601611 is about 638.7423307813.

Adding to 260601611 its reverse (116106062), we get a palindrome (376707673).

The spelling of 260601611 in words is "two hundred sixty million, six hundred one thousand, six hundred eleven".