1361325671563 has 8 divisors (see below), whose sum is σ = 1599319670256. Its totient is φ = 1142371192800.

The previous prime is 1361325671561. The next prime is 1361325671597. The reversal of 1361325671563 is 3651765231631.

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 1361325671563 - 2¹ = 1361325671561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1361325671561) 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, 4759879828 + ... + 4759880113.

It is an arithmetic number, because the mean of its divisors is an integer number (199914958782).

Almost surely, 2^{1361325671563} is an apocalyptic number.

1361325671563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1361325671563 is a deficient number, since it is larger than the sum of its proper divisors (237993998693).

1361325671563 is a wasteful number, since it uses less digits than its factorization.

1361325671563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9519759965.

The product of its digits is 2041200, while the sum is 49.

The spelling of 1361325671563 in words is "one trillion, three hundred sixty-one billion, three hundred twenty-five million, six hundred seventy-one thousand, five hundred sixty-three".