204054453111 has 16 divisors (see below), whose sum is σ = 275125264128. Its totient is φ = 134517364800.

The previous prime is 204054453101. The next prime is 204054453209. The reversal of 204054453111 is 111354450402.

It is not a de Polignac number, because 204054453111 - 2⁹ = 204054452599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204054453101) 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, 813451 + ... + 1034316.

It is an arithmetic number, because the mean of its divisors is an integer number (17195329008).

Almost surely, 2^204054453111 is an apocalyptic number.

204054453111 is a deficient number, since it is larger than the sum of its proper divisors (71070811017).

204054453111 is a wasteful number, since it uses less digits than its factorization.

204054453111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1848182.

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 204054453111 in words is "two hundred four billion, fifty-four million, four hundred fifty-three thousand, one hundred eleven".