204555115412 has 6 divisors (see below), whose sum is σ = 357971451978. Its totient is φ = 102277557704.

The previous prime is 204555115361. The next prime is 204555115417. The reversal of 204555115412 is 214511555402.

It can be written as a sum of positive squares in only one way, i.e., 203929915396 + 625200016 = 451586^2 + 25004^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204555115417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25569389423 + ... + 25569389430.

It is an arithmetic number, because the mean of its divisors is an integer number (59661908663).

Almost surely, 2^204555115412 is an apocalyptic number.

It is an amenable number.

204555115412 is a deficient number, since it is larger than the sum of its proper divisors (153416336566).

204555115412 is a wasteful number, since it uses less digits than its factorization.

204555115412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51138778857 (or 51138778855 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 35.

The spelling of 204555115412 in words is "two hundred four billion, five hundred fifty-five million, one hundred fifteen thousand, four hundred twelve".