204311152045 has 32 divisors (see below), whose sum is σ = 329183850240. Its totient is φ = 117565655040.

The previous prime is 204311152043. The next prime is 204311152049. The reversal of 204311152045 is 540251113402.

It is not a de Polignac number, because 204311152045 - 2¹ = 204311152043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204311152043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20405700 + ... + 20415709.

It is an arithmetic number, because the mean of its divisors is an integer number (10286995320).

Almost surely, 2^204311152045 is an apocalyptic number.

It is an amenable number.

204311152045 is a deficient number, since it is larger than the sum of its proper divisors (124872698195).

204311152045 is a wasteful number, since it uses less digits than its factorization.

204311152045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40821445.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 204311152045 its reverse (540251113402), we get a palindrome (744562265447).

The spelling of 204311152045 in words is "two hundred four billion, three hundred eleven million, one hundred fifty-two thousand, forty-five".