204004114551 has 24 divisors (see below), whose sum is σ = 301948854480. Its totient is φ = 132646435200.

The previous prime is 204004114547. The next prime is 204004114571. The reversal of 204004114551 is 155411400402.

204004114551 is a `hidden beast` number, since 20 + 40 + 0 + 41 + 14 + 551 = 666.

It is not a de Polignac number, because 204004114551 - 2² = 204004114547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204004114571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1197240 + ... + 1356978.

It is an arithmetic number, because the mean of its divisors is an integer number (12581202270).

Almost surely, 2^204004114551 is an apocalyptic number.

204004114551 is a deficient number, since it is larger than the sum of its proper divisors (97944739929).

204004114551 is a wasteful number, since it uses less digits than its factorization.

204004114551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163247 (or 163244 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 204004114551 its reverse (155411400402), we get a palindrome (359415514953).

The spelling of 204004114551 in words is "two hundred four billion, four million, one hundred fourteen thousand, five hundred fifty-one".