316115884861 has 48 divisors (see below), whose sum is σ = 387133931520. Its totient is φ = 256872924000.

The previous prime is 316115884859. The next prime is 316115884873. The reversal of 316115884861 is 168488511613.

It is not a de Polignac number, because 316115884861 - 2¹ = 316115884859 is a prime.

It is a super-2 number, since 2×316115884861² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 316115884799 and 316115884808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316115884801) 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 47 ways as a sum of consecutive naturals, for example, 117645060 + ... + 117647746.

It is an arithmetic number, because the mean of its divisors is an integer number (8065290240).

Almost surely, 2^316115884861 is an apocalyptic number.

It is an amenable number.

316115884861 is a deficient number, since it is larger than the sum of its proper divisors (71018046659).

316115884861 is a wasteful number, since it uses less digits than its factorization.

316115884861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3614 (or 3607 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 52.

The spelling of 316115884861 in words is "three hundred sixteen billion, one hundred fifteen million, eight hundred eighty-four thousand, eight hundred sixty-one".