204311552115 has 256 divisors, whose sum is σ = 414205747200. Its totient is φ = 84652646400.

The previous prime is 204311552089. The next prime is 204311552131. The reversal of 204311552115 is 511255113402.

It is not a de Polignac number, because 204311552115 - 2⁵ = 204311552083 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 251925060 + ... + 251925870.

It is an arithmetic number, because the mean of its divisors is an integer number (1617991200).

Almost surely, 2^204311552115 is an apocalyptic number.

204311552115 is an abundant number, since it is smaller than the sum of its proper divisors (209894195085).

204311552115 is a wasteful number, since it uses less digits than its factorization.

204311552115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058.

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 204311552115 its reverse (511255113402), we get a palindrome (715566665517).

The spelling of 204311552115 in words is "two hundred four billion, three hundred eleven million, five hundred fifty-two thousand, one hundred fifteen".