1361563124566 has 8 divisors (see below), whose sum is σ = 2042354535840. Its totient is φ = 680778279288.

The previous prime is 1361563124557. The next prime is 1361563124611. The reversal of 1361563124566 is 6654213651631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085406 + ... + 1975153.

It is an arithmetic number, because the mean of its divisors is an integer number (255294316980).

Almost surely, 2^{1361563124566} is an apocalyptic number.

1361563124566 is a deficient number, since it is larger than the sum of its proper divisors (680791411274).

1361563124566 is a wasteful number, since it uses less digits than its factorization.

1361563124566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3282998.

The product of its digits is 2332800, while the sum is 49.

The spelling of 1361563124566 in words is "one trillion, three hundred sixty-one billion, five hundred sixty-three million, one hundred twenty-four thousand, five hundred sixty-six".