204051066611 has 8 divisors (see below), whose sum is σ = 233203966464. Its totient is φ = 174898853640.

The previous prime is 204051066577. The next prime is 204051066613. The reversal of 204051066611 is 116660150402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 204051066611 - 2¹⁰ = 204051065587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (204051066613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 978566 + ... + 1168628.

It is an arithmetic number, because the mean of its divisors is an integer number (29150495808).

Almost surely, 2^204051066611 is an apocalyptic number.

204051066611 is a deficient number, since it is larger than the sum of its proper divisors (29152899853).

204051066611 is a wasteful number, since it uses less digits than its factorization.

204051066611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343441.

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 204051066611 in words is "two hundred four billion, fifty-one million, sixty-six thousand, six hundred eleven".