1316551560403 has 8 divisors (see below), whose sum is σ = 1330197008672. Its totient is φ = 1302907597056.

The previous prime is 1316551560377. The next prime is 1316551560433. The reversal of 1316551560403 is 3040651556131.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1316551560403 is a prime.

It is a super-2 number, since 2×1316551560403² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1316551560433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1457626 + ... + 2181232.

It is an arithmetic number, because the mean of its divisors is an integer number (166274626084).

Almost surely, 2^{1316551560403} is an apocalyptic number.

1316551560403 is a deficient number, since it is larger than the sum of its proper divisors (13645448269).

1316551560403 is an equidigital number, since it uses as much as digits as its factorization.

1316551560403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742461.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 1316551560403 in words is "one trillion, three hundred sixteen billion, five hundred fifty-one million, five hundred sixty thousand, four hundred three".