1311046016403 has 16 divisors (see below), whose sum is σ = 1812736430336. Its totient is φ = 842151828960.

The previous prime is 1311046016369. The next prime is 1311046016443. The reversal of 1311046016403 is 3046106401131.

It is not a de Polignac number, because 1311046016403 - 2¹⁸ = 1311045754259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311046016443) 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, 57324613 + ... + 57347478.

It is an arithmetic number, because the mean of its divisors is an integer number (113296026896).

Almost surely, 2^{1311046016403} is an apocalyptic number.

1311046016403 is a deficient number, since it is larger than the sum of its proper divisors (501690413933).

1311046016403 is a wasteful number, since it uses less digits than its factorization.

1311046016403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114672234.

The product of its (nonzero) digits is 5184, while the sum is 30.

The spelling of 1311046016403 in words is "one trillion, three hundred eleven billion, forty-six million, sixteen thousand, four hundred three".