1316555755211 has 8 divisors (see below), whose sum is σ = 1389687085200. Its totient is φ = 1247263340544.

The previous prime is 1316555755187. The next prime is 1316555755217. The reversal of 1316555755211 is 1125575556131.

It is a de Polignac number, because none of the positive numbers 2^k-1316555755211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1316555755217) 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, 95966006 + ... + 95979723.

It is an arithmetic number, because the mean of its divisors is an integer number (173710885650).

Almost surely, 2^{1316555755211} is an apocalyptic number.

1316555755211 is a deficient number, since it is larger than the sum of its proper divisors (73131329989).

1316555755211 is an frugal number, since it uses more digits than its factorization.

1316555755211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191945786 (or 191945748 counting only the distinct ones).

The product of its digits is 787500, while the sum is 47.

The spelling of 1316555755211 in words is "one trillion, three hundred sixteen billion, five hundred fifty-five million, seven hundred fifty-five thousand, two hundred eleven".