1311045163311 has 16 divisors (see below), whose sum is σ = 1882682403840. Its totient is φ = 806730159840.

The previous prime is 1311045163261. The next prime is 1311045163333. The reversal of 1311045163311 is 1133615401131.

It is not a de Polignac number, because 1311045163311 - 2¹¹ = 1311045161263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311045163811) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 914295 + ... + 1859576.

It is an arithmetic number, because the mean of its divisors is an integer number (117667650240).

Almost surely, 2^{1311045163311} is an apocalyptic number.

1311045163311 is a deficient number, since it is larger than the sum of its proper divisors (571637240529).

1311045163311 is a wasteful number, since it uses less digits than its factorization.

1311045163311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2786006.

The product of its (nonzero) digits is 3240, while the sum is 30.

The spelling of 1311045163311 in words is "one trillion, three hundred eleven billion, forty-five million, one hundred sixty-three thousand, three hundred eleven".