1311046016563 has 8 divisors (see below), whose sum is σ = 1346340718080. Its totient is φ = 1276218794760.

The previous prime is 1311046016519. The next prime is 1311046016569. The reversal of 1311046016563 is 3656106401131.

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 1311046016563 - 2⁹ = 1311046016051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311046016569) 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 7 ways as a sum of consecutive naturals, for example, 116864245 + ... + 116875462.

It is an arithmetic number, because the mean of its divisors is an integer number (168292589760).

Almost surely, 2^{1311046016563} is an apocalyptic number.

1311046016563 is a deficient number, since it is larger than the sum of its proper divisors (35294701517).

1311046016563 is an equidigital number, since it uses as much as digits as its factorization.

1311046016563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233739857.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 1311046016563 in words is "one trillion, three hundred eleven billion, forty-six million, sixteen thousand, five hundred sixty-three".