1783642225085 has 16 divisors (see below), whose sum is σ = 2446670940672. Its totient is φ = 1222802438400.

The previous prime is 1783642225031. The next prime is 1783642225133. The reversal of 1783642225085 is 5805222463871.

It is a happy number.

It is not a de Polignac number, because 1783642225085 - 2⁶ = 1783642225021 is a prime.

It is a congruent number.

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, 5389436 + ... + 5710805.

It is an arithmetic number, because the mean of its divisors is an integer number (152916933792).

Almost surely, 2^{1783642225085} is an apocalyptic number.

It is an amenable number.

1783642225085 is a deficient number, since it is larger than the sum of its proper divisors (663028715587).

1783642225085 is a wasteful number, since it uses less digits than its factorization.

1783642225085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11104844.

The product of its (nonzero) digits is 6451200, while the sum is 53.

The spelling of 1783642225085 in words is "one trillion, seven hundred eighty-three billion, six hundred forty-two million, two hundred twenty-five thousand, eighty-five".