2205404355543 has 16 divisors (see below), whose sum is σ = 2988944680416. Its totient is φ = 1446070026240.

The previous prime is 2205404355527. The next prime is 2205404355547. The reversal of 2205404355543 is 3455534045022.

It is not a de Polignac number, because 2205404355543 - 2⁴ = 2205404355527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2205404355495 and 2205404355504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2205404355547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2392071 + ... + 3183207.

It is an arithmetic number, because the mean of its divisors is an integer number (186809042526).

Almost surely, 2^{2205404355543} is an apocalyptic number.

2205404355543 is a deficient number, since it is larger than the sum of its proper divisors (783540324873).

2205404355543 is a wasteful number, since it uses less digits than its factorization.

2205404355543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806434.

The product of its (nonzero) digits is 1440000, while the sum is 42.

The spelling of 2205404355543 in words is "two trillion, two hundred five billion, four hundred four million, three hundred fifty-five thousand, five hundred forty-three".