1311436055 has 8 divisors (see below), whose sum is σ = 1580596800. Its totient is φ = 1044566496.

The previous prime is 1311436039. The next prime is 1311436079. The reversal of 1311436055 is 5506341131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311436055 - 2⁴ = 1311436039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 571535 + ... + 573824.

It is an arithmetic number, because the mean of its divisors is an integer number (197574600).

Almost surely, 2^1311436055 is an apocalyptic number.

1311436055 is a deficient number, since it is larger than the sum of its proper divisors (269160745).

1311436055 is a wasteful number, since it uses less digits than its factorization.

1311436055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1145593.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1311436055 is about 36213.7550524659. The cubic root of 1311436055 is about 1094.5838594410.

Adding to 1311436055 its reverse (5506341131), we get a palindrome (6817777186).

The spelling of 1311436055 in words is "one billion, three hundred eleven million, four hundred thirty-six thousand, fifty-five".