1316556060247 has 4 divisors (see below), whose sum is σ = 1316558378920. Its totient is φ = 1316553741576.

The previous prime is 1316556060143. The next prime is 1316556060283. The reversal of 1316556060247 is 7420606556131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1316556060247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1316556060197 and 1316556060206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316556067247) 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, 330904 + ... + 1656082.

It is an arithmetic number, because the mean of its divisors is an integer number (329139594730).

Almost surely, 2^{1316556060247} is an apocalyptic number.

1316556060247 is a deficient number, since it is larger than the sum of its proper divisors (2318673).

1316556060247 is an equidigital number, since it uses as much as digits as its factorization.

1316556060247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318672.

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 1316556060247 in words is "one trillion, three hundred sixteen billion, five hundred fifty-six million, sixty thousand, two hundred forty-seven".