25382083207818 has 32 divisors (see below), whose sum is σ = 50888801722752. Its totient is φ = 8439945940800.

The previous prime is 25382083207771. The next prime is 25382083207823. The reversal of 25382083207818 is 81870238028352.

It is a super-2 number, since 2×25382083207818² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1205548 + ... + 7226168.

It is an arithmetic number, because the mean of its divisors is an integer number (1590275053836).

Almost surely, 2^{25382083207818} is an apocalyptic number.

25382083207818 is an abundant number, since it is smaller than the sum of its proper divisors (25506718514934).

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

25382083207818 is a wasteful number, since it uses less digits than its factorization.

25382083207818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6022350.

The product of its (nonzero) digits is 10321920, while the sum is 57.

The spelling of 25382083207818 in words is "twenty-five trillion, three hundred eighty-two billion, eighty-three million, two hundred seven thousand, eight hundred eighteen".