1306240523611 has 16 divisors (see below), whose sum is σ = 1318045188096. Its totient is φ = 1294492420000.

The previous prime is 1306240523551. The next prime is 1306240523659. The reversal of 1306240523611 is 1163250426031.

It is a cyclic number.

It is not a de Polignac number, because 1306240523611 - 2²¹ = 1306238426459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1306240823611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127172406 + ... + 127182676.

It is an arithmetic number, because the mean of its divisors is an integer number (82377824256).

Almost surely, 2^{1306240523611} is an apocalyptic number.

1306240523611 is a deficient number, since it is larger than the sum of its proper divisors (11804664485).

1306240523611 is a wasteful number, since it uses less digits than its factorization.

1306240523611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12914.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 1306240523611 its reverse (1163250426031), we get a palindrome (2469490949642).

The spelling of 1306240523611 in words is "one trillion, three hundred six billion, two hundred forty million, five hundred twenty-three thousand, six hundred eleven".