204415514230355 has 16 divisors (see below), whose sum is σ = 247712241943584. Its totient is φ = 161931196519680.

The previous prime is 204415514230351. The next prime is 204415514230363. The reversal of 204415514230355 is 553032415514402.

It is a happy number.

It is not a de Polignac number, because 204415514230355 - 2² = 204415514230351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204415514230351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491565722 + ... + 491981391.

It is an arithmetic number, because the mean of its divisors is an integer number (15482015121474).

Almost surely, 2^{204415514230355} is an apocalyptic number.

204415514230355 is a deficient number, since it is larger than the sum of its proper divisors (43296727713229).

204415514230355 is a wasteful number, since it uses less digits than its factorization.

204415514230355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 983547526.

The product of its (nonzero) digits is 1440000, while the sum is 44.

Adding to 204415514230355 its reverse (553032415514402), we get a palindrome (757447929744757).

The spelling of 204415514230355 in words is "two hundred four trillion, four hundred fifteen billion, five hundred fourteen million, two hundred thirty thousand, three hundred fifty-five".