204105001115 has 8 divisors (see below), whose sum is σ = 245211801120. Its totient is φ = 163093467712.

The previous prime is 204105001103. The next prime is 204105001189. The reversal of 204105001115 is 511100501402.

204105001115 is digitally balanced in base 11, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204105001115 is a prime.

204105001115 is strictly pandigital in base 11.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23811935 + ... + 23820504.

It is an arithmetic number, because the mean of its divisors is an integer number (30651475140).

Almost surely, 2^204105001115 is an apocalyptic number.

204105001115 is a deficient number, since it is larger than the sum of its proper divisors (41106800005).

204105001115 is an equidigital number, since it uses as much as digits as its factorization.

204105001115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47633301.

The product of its (nonzero) digits is 200, while the sum is 20.

Adding to 204105001115 its reverse (511100501402), we get a palindrome (715205502517).

The spelling of 204105001115 in words is "two hundred four billion, one hundred five million, one thousand, one hundred fifteen".