1804611642325 has 12 divisors (see below), whose sum is σ = 2237737005700. Its totient is φ = 1443677333760.

The previous prime is 1804611642311. The next prime is 1804611642389. The reversal of 1804611642325 is 5232461164081.

It can be written as a sum of positive squares in 6 ways, for example, as 33777293796 + 1770834348529 = 183786^2 + 1330727^2 .

It is not a de Polignac number, because 1804611642325 - 2¹⁵ = 1804611609557 is a prime.

It is a super-2 number, since 2×1804611642325² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3962797 + ... + 4394653.

Almost surely, 2^{1804611642325} is an apocalyptic number.

It is an amenable number.

1804611642325 is a deficient number, since it is larger than the sum of its proper divisors (433125363375).

1804611642325 is a wasteful number, since it uses less digits than its factorization.

1804611642325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 599016 (or 599011 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The spelling of 1804611642325 in words is "one trillion, eight hundred four billion, six hundred eleven million, six hundred forty-two thousand, three hundred twenty-five".