5318123894856 has 96 divisors (see below), whose sum is σ = 15183715622400. Its totient is φ = 1676926592640.

The previous prime is 5318123894833. The next prime is 5318123894861. The reversal of 5318123894856 is 6584983218135.

5318123894856 is a `hidden beast` number, since 5 + 318 + 1 + 238 + 9 + 4 + 85 + 6 = 666.

It is a super-2 number, since 2×5318123894856² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5318123894793 and 5318123894802.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1945000 + ... + 3797271.

It is an arithmetic number, because the mean of its divisors is an integer number (158163704400).

Almost surely, 2^{5318123894856} is an apocalyptic number.

It is an amenable number.

5318123894856 is an abundant number, since it is smaller than the sum of its proper divisors (9865591727544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5318123894856 is a wasteful number, since it uses less digits than its factorization.

5318123894856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5742979 (or 5742972 counting only the distinct ones).

The product of its digits is 49766400, while the sum is 63.

The spelling of 5318123894856 in words is "five trillion, three hundred eighteen billion, one hundred twenty-three million, eight hundred ninety-four thousand, eight hundred fifty-six".