2183851840055 has 4 divisors (see below), whose sum is σ = 2620622208072. Its totient is φ = 1747081472040.

The previous prime is 2183851840043. The next prime is 2183851840073. The reversal of 2183851840055 is 5500481583812.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2183851840055 - 2¹² = 2183851835959 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2183851839985 and 2183851840012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218385184001 + ... + 218385184010.

It is an arithmetic number, because the mean of its divisors is an integer number (655155552018).

Almost surely, 2^{2183851840055} is an apocalyptic number.

2183851840055 is a deficient number, since it is larger than the sum of its proper divisors (436770368017).

2183851840055 is an equidigital number, since it uses as much as digits as its factorization.

2183851840055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436770368016.

The product of its (nonzero) digits is 1536000, while the sum is 50.

The spelling of 2183851840055 in words is "two trillion, one hundred eighty-three billion, eight hundred fifty-one million, eight hundred forty thousand, fifty-five".