15382382486681 has 8 divisors (see below), whose sum is σ = 17580133489920. Its totient is φ = 13184698431168.

The previous prime is 15382382486641. The next prime is 15382382486687. The reversal of 15382382486681 is 18668428328351.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15382382486681 is a prime.

It is a super-2 number, since 2×15382382486681² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15382382486687) 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, 16243601 + ... + 17164478.

It is an arithmetic number, because the mean of its divisors is an integer number (2197516686240).

Almost surely, 2^{15382382486681} is an apocalyptic number.

It is an amenable number.

15382382486681 is a deficient number, since it is larger than the sum of its proper divisors (2197751003239).

15382382486681 is an equidigital number, since it uses as much as digits as its factorization.

15382382486681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33473863.

The product of its digits is 106168320, while the sum is 65.

The spelling of 15382382486681 in words is "fifteen trillion, three hundred eighty-two billion, three hundred eighty-two million, four hundred eighty-six thousand, six hundred eighty-one".