1316361244655 has 4 divisors (see below), whose sum is σ = 1579633493592. Its totient is φ = 1053088995720.

The previous prime is 1316361244651. The next prime is 1316361244727. The reversal of 1316361244655 is 5564421636131.

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

It is not a de Polignac number, because 1316361244655 - 2² = 1316361244651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316361244651) 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, 131636124461 + ... + 131636124470.

It is an arithmetic number, because the mean of its divisors is an integer number (394908373398).

Almost surely, 2^{1316361244655} is an apocalyptic number.

1316361244655 is a deficient number, since it is larger than the sum of its proper divisors (263272248937).

1316361244655 is an equidigital number, since it uses as much as digits as its factorization.

1316361244655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263272248936.

The product of its digits is 1555200, while the sum is 47.

The spelling of 1316361244655 in words is "one trillion, three hundred sixteen billion, three hundred sixty-one million, two hundred forty-four thousand, six hundred fifty-five".