1316216511351 has 24 divisors (see below), whose sum is σ = 2287159854720. Its totient is φ = 712538261136.

The previous prime is 1316216511257. The next prime is 1316216511361. The reversal of 1316216511351 is 1531156126131.

1316216511351 is a `hidden beast` number, since 1 + 31 + 62 + 1 + 6 + 511 + 3 + 51 = 666.

It is not a de Polignac number, because 1316216511351 - 2¹⁵ = 1316216478583 is a prime.

It is a super-2 number, since 2×1316216511351² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1316216511361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 549796845 + ... + 549799238.

It is an arithmetic number, because the mean of its divisors is an integer number (95298327280).

Almost surely, 2^{1316216511351} is an apocalyptic number.

1316216511351 is a deficient number, since it is larger than the sum of its proper divisors (970943343369).

1316216511351 is a wasteful number, since it uses less digits than its factorization.

1316216511351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1099596115 (or 1099596112 counting only the distinct ones).

The product of its digits is 16200, while the sum is 36.

The spelling of 1316216511351 in words is "one trillion, three hundred sixteen billion, two hundred sixteen million, five hundred eleven thousand, three hundred fifty-one".