1311263524055 has 8 divisors (see below), whose sum is σ = 1573679972832. Its totient is φ = 1048901656608.

The previous prime is 1311263524019. The next prime is 1311263524057. The reversal of 1311263524055 is 5504253621131.

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 1311263524055 - 2¹⁸ = 1311263261911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311263524057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13592459 + ... + 13688588.

It is an arithmetic number, because the mean of its divisors is an integer number (196709996604).

Almost surely, 2^{1311263524055} is an apocalyptic number.

1311263524055 is a deficient number, since it is larger than the sum of its proper divisors (262416448777).

1311263524055 is an equidigital number, since it uses as much as digits as its factorization.

1311263524055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27290665.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 1311263524055 in words is "one trillion, three hundred eleven billion, two hundred sixty-three million, five hundred twenty-four thousand, fifty-five".