1827325850865 has 32 divisors (see below), whose sum is σ = 2984799456000. Its totient is φ = 954398672640.

The previous prime is 1827325850789. The next prime is 1827325850887. The reversal of 1827325850865 is 5680585237281.

It is not a de Polignac number, because 1827325850865 - 2⁹ = 1827325850353 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1827325850799 and 1827325850808.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 5599030 + ... + 5916399.

It is an arithmetic number, because the mean of its divisors is an integer number (93274983000).

Almost surely, 2^{1827325850865} is an apocalyptic number.

1827325850865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1827325850865 is a deficient number, since it is larger than the sum of its proper divisors (1157473605135).

1827325850865 is a wasteful number, since it uses less digits than its factorization.

1827325850865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11515657.

The product of its (nonzero) digits is 32256000, while the sum is 60.

The spelling of 1827325850865 in words is "one trillion, eight hundred twenty-seven billion, three hundred twenty-five million, eight hundred fifty thousand, eight hundred sixty-five".