1316242560603 has 4 divisors (see below), whose sum is σ = 1754990080808. Its totient is φ = 877495040400.

The previous prime is 1316242560557. The next prime is 1316242560709. The reversal of 1316242560603 is 3060652426131.

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

It is not a de Polignac number, because 1316242560603 - 2¹⁴ = 1316242544219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1316242550603) 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, 219373760098 + ... + 219373760103.

It is an arithmetic number, because the mean of its divisors is an integer number (438747520202).

Almost surely, 2^{1316242560603} is an apocalyptic number.

1316242560603 is a deficient number, since it is larger than the sum of its proper divisors (438747520205).

1316242560603 is an equidigital number, since it uses as much as digits as its factorization.

1316242560603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438747520204.

The product of its (nonzero) digits is 155520, while the sum is 39.

Adding to 1316242560603 its reverse (3060652426131), we get a palindrome (4376894986734).

The spelling of 1316242560603 in words is "one trillion, three hundred sixteen billion, two hundred forty-two million, five hundred sixty thousand, six hundred three".