204053662155 has 16 divisors (see below), whose sum is σ = 373126696704. Its totient is φ = 93281674080.

The previous prime is 204053662049. The next prime is 204053662237. The reversal of 204053662155 is 551266350402.

It is not a de Polignac number, because 204053662155 - 2⁸ = 204053661899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 971684001 + ... + 971684210.

It is an arithmetic number, because the mean of its divisors is an integer number (23320418544).

Almost surely, 2^204053662155 is an apocalyptic number.

204053662155 is a deficient number, since it is larger than the sum of its proper divisors (169073034549).

204053662155 is a wasteful number, since it uses less digits than its factorization.

204053662155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1943368226.

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 204053662155 in words is "two hundred four billion, fifty-three million, six hundred sixty-two thousand, one hundred fifty-five".