1306121651411 has 16 divisors (see below), whose sum is σ = 1344328624128. Its totient is φ = 1268558388000.

The previous prime is 1306121651389. The next prime is 1306121651413. The reversal of 1306121651411 is 1141561216031.

It is a cyclic number.

It is not a de Polignac number, because 1306121651411 - 2¹⁰ = 1306121650387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1306121651413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1113686 + ... + 1962788.

It is an arithmetic number, because the mean of its divisors is an integer number (84020539008).

Almost surely, 2^{1306121651411} is an apocalyptic number.

1306121651411 is a deficient number, since it is larger than the sum of its proper divisors (38206972717).

1306121651411 is a wasteful number, since it uses less digits than its factorization.

1306121651411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849482.

The product of its (nonzero) digits is 4320, while the sum is 32.

Adding to 1306121651411 its reverse (1141561216031), we get a palindrome (2447682867442).

The spelling of 1306121651411 in words is "one trillion, three hundred six billion, one hundred twenty-one million, six hundred fifty-one thousand, four hundred eleven".