104404101551111 has 4 divisors (see below), whose sum is σ = 104404922742792. Its totient is φ = 104403280359432.

The previous prime is 104404101551069. The next prime is 104404101551147. The reversal of 104404101551111 is 111155101404401.

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-104404101551111 is a prime.

It is a super-2 number, since 2×104404101551111² (a number of 29 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 (104404101553111) 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, 410405105 + ... + 410659418.

It is an arithmetic number, because the mean of its divisors is an integer number (26101230685698).

Almost surely, 2^{104404101551111} is an apocalyptic number.

104404101551111 is a deficient number, since it is larger than the sum of its proper divisors (821191681).

104404101551111 is an equidigital number, since it uses as much as digits as its factorization.

104404101551111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821191680.

The product of its (nonzero) digits is 1600, while the sum is 29.

Adding to 104404101551111 its reverse (111155101404401), we get a palindrome (215559202955512).

The spelling of 104404101551111 in words is "one hundred four trillion, four hundred four billion, one hundred one million, five hundred fifty-one thousand, one hundred eleven".