204045411215 has 4 divisors (see below), whose sum is σ = 244854493464. Its totient is φ = 163236328968.

The previous prime is 204045411197. The next prime is 204045411247. The reversal of 204045411215 is 512114540402.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204045411215 - 2⁶ = 204045411151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20404541117 + ... + 20404541126.

It is an arithmetic number, because the mean of its divisors is an integer number (61213623366).

Almost surely, 2^204045411215 is an apocalyptic number.

204045411215 is a deficient number, since it is larger than the sum of its proper divisors (40809082249).

204045411215 is an equidigital number, since it uses as much as digits as its factorization.

204045411215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40809082248.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 204045411215 its reverse (512114540402), we get a palindrome (716159951617).

The spelling of 204045411215 in words is "two hundred four billion, forty-five million, four hundred eleven thousand, two hundred fifteen".