204140441411 has 4 divisors (see below), whose sum is σ = 204916641072. Its totient is φ = 203364241752.

The previous prime is 204140441387. The next prime is 204140441431. The reversal of 204140441411 is 114144041402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204140441411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204140441431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 388099436 + ... + 388099961.

It is an arithmetic number, because the mean of its divisors is an integer number (51229160268).

Almost surely, 2^204140441411 is an apocalyptic number.

204140441411 is a deficient number, since it is larger than the sum of its proper divisors (776199661).

204140441411 is an equidigital number, since it uses as much as digits as its factorization.

204140441411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 776199660.

The product of its (nonzero) digits is 2048, while the sum is 26.

Adding to 204140441411 its reverse (114144041402), we get a palindrome (318284482813).

The spelling of 204140441411 in words is "two hundred four billion, one hundred forty million, four hundred forty-one thousand, four hundred eleven".