2104444225505 has 32 divisors (see below), whose sum is σ = 2729546726400. Its totient is φ = 1552691305152.

The previous prime is 2104444225439. The next prime is 2104444225519. The reversal of 2104444225505 is 5055224444012.

It is not a de Polignac number, because 2104444225505 - 2²⁸ = 2104175790049 is a prime.

It is a super-2 number, since 2×2104444225505² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1245299 + ... + 2399928.

It is an arithmetic number, because the mean of its divisors is an integer number (85298335200).

Almost surely, 2^{2104444225505} is an apocalyptic number.

It is an amenable number.

2104444225505 is a deficient number, since it is larger than the sum of its proper divisors (625102500895).

2104444225505 is a wasteful number, since it uses less digits than its factorization.

2104444225505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3645413.

The product of its (nonzero) digits is 256000, while the sum is 38.

Adding to 2104444225505 its reverse (5055224444012), we get a palindrome (7159668669517).

The spelling of 2104444225505 in words is "two trillion, one hundred four billion, four hundred forty-four million, two hundred twenty-five thousand, five hundred five".