1204434041111 has 16 divisors (see below), whose sum is σ = 1405149479424. Its totient is φ = 1010956456224.

The previous prime is 1204434041009. The next prime is 1204434041119. The reversal of 1204434041111 is 1111404344021.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1204434041111 - 2¹⁰ = 1204434040087 is a prime.

It is a super-2 number, since 2×1204434041111² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204434041119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2909651 + ... + 3297716.

It is an arithmetic number, because the mean of its divisors is an integer number (87821842464).

Almost surely, 2^{1204434041111} is an apocalyptic number.

1204434041111 is a deficient number, since it is larger than the sum of its proper divisors (200715438313).

1204434041111 is an equidigital number, since it uses as much as digits as its factorization.

1204434041111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6207950.

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 1204434041111 its reverse (1111404344021), we get a palindrome (2315838385132).

The spelling of 1204434041111 in words is "one trillion, two hundred four billion, four hundred thirty-four million, forty-one thousand, one hundred eleven".