204051104215 has 16 divisors (see below), whose sum is σ = 279990535680. Its totient is φ = 139846246560.

The previous prime is 204051104183. The next prime is 204051104221. The reversal of 204051104215 is 512401150402.

204051104215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 204051104215 - 2⁵ = 204051104183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 204051104215.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1485601 + ... + 1617130.

It is an arithmetic number, because the mean of its divisors is an integer number (17499408480).

Almost surely, 2^204051104215 is an apocalyptic number.

204051104215 is a deficient number, since it is larger than the sum of its proper divisors (75939431465).

204051104215 is a wasteful number, since it uses less digits than its factorization.

204051104215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3104622.

The product of its (nonzero) digits is 1600, while the sum is 25.

Adding to 204051104215 its reverse (512401150402), we get a palindrome (716452254617).

The spelling of 204051104215 in words is "two hundred four billion, fifty-one million, one hundred four thousand, two hundred fifteen".