204102553995 has 12 divisors (see below), whose sum is σ = 353777760336. Its totient is φ = 108854695440.

The previous prime is 204102553937. The next prime is 204102554003. The reversal of 204102553995 is 599355201402.

204102553995 is a `hidden beast` number, since 2 + 0 + 4 + 1 + 0 + 2 + 553 + 9 + 95 = 666.

It is not a de Polignac number, because 204102553995 - 2⁷ = 204102553867 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 4535612311 = 204102553995 / (2 + 0 + 4 + 1 + 0 + 2 + 5 + 5 + 3 + 9 + 9 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 204102553995.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2267806111 + ... + 2267806200.

It is an arithmetic number, because the mean of its divisors is an integer number (29481480028).

Almost surely, 2^204102553995 is an apocalyptic number.

204102553995 is a deficient number, since it is larger than the sum of its proper divisors (149675206341).

204102553995 is a wasteful number, since it uses less digits than its factorization.

204102553995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4535612322 (or 4535612319 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The spelling of 204102553995 in words is "two hundred four billion, one hundred two million, five hundred fifty-three thousand, nine hundred ninety-five".