1361316776065 has 16 divisors (see below), whose sum is σ = 1646181377280. Its totient is φ = 1080653916160.

The previous prime is 1361316776051. The next prime is 1361316776101. The reversal of 1361316776065 is 5606776131631.

It is not a de Polignac number, because 1361316776065 - 2¹¹ = 1361316774017 is a prime.

It is an unprimeable number.

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, 8883777 + ... + 9035713.

It is an arithmetic number, because the mean of its divisors is an integer number (102886336080).

Almost surely, 2^{1361316776065} is an apocalyptic number.

It is an amenable number.

1361316776065 is a deficient number, since it is larger than the sum of its proper divisors (284864601215).

1361316776065 is a wasteful number, since it uses less digits than its factorization.

1361316776065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165752.

The product of its (nonzero) digits is 2857680, while the sum is 52.

It can be divided in two parts, 136131 and 6776065, that added together give a palindrome (6912196).

The spelling of 1361316776065 in words is "one trillion, three hundred sixty-one billion, three hundred sixteen million, seven hundred seventy-six thousand, sixty-five".