5185881321984 has 160 divisors (see below), whose sum is σ = 16746075593280. Its totient is φ = 1571479142400.

The previous prime is 5185881321979. The next prime is 5185881321989. The reversal of 5185881321984 is 4891231885815.

5185881321984 is a `hidden beast` number, since 5 + 1 + 8 + 588 + 1 + 32 + 19 + 8 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (5185881321979) and next prime (5185881321989).

It is not an unprimeable number, because it can be changed into a prime (5185881321989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16899577 + ... + 17203704.

It is an arithmetic number, because the mean of its divisors is an integer number (104662972458).

Almost surely, 2^{5185881321984} is an apocalyptic number.

5185881321984 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

5185881321984 is an abundant number, since it is smaller than the sum of its proper divisors (11560194271296).

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

5185881321984 is a wasteful number, since it uses less digits than its factorization.

5185881321984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34103319 (or 34103297 counting only the distinct ones).

The product of its digits is 22118400, while the sum is 63.

The spelling of 5185881321984 in words is "five trillion, one hundred eighty-five billion, eight hundred eighty-one million, three hundred twenty-one thousand, nine hundred eighty-four".