1316361651563 has 4 divisors (see below), whose sum is σ = 1504413316080. Its totient is φ = 1128309987048.

The previous prime is 1316361651503. The next prime is 1316361651571. The reversal of 1316361651563 is 3651561636131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1316361651563 - 2³⁰ = 1315287909739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1316361651503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94025832248 + ... + 94025832261.

It is an arithmetic number, because the mean of its divisors is an integer number (376103329020).

Almost surely, 2^{1316361651563} is an apocalyptic number.

1316361651563 is a deficient number, since it is larger than the sum of its proper divisors (188051664517).

1316361651563 is an equidigital number, since it uses as much as digits as its factorization.

1316361651563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188051664516.

The product of its digits is 874800, while the sum is 47.

The spelling of 1316361651563 in words is "one trillion, three hundred sixteen billion, three hundred sixty-one million, six hundred fifty-one thousand, five hundred sixty-three".