2200461121665 has 12 divisors (see below), whose sum is σ = 3814132610964. Its totient is φ = 1173579264864.

The previous prime is 2200461121633. The next prime is 2200461121673. The reversal of 2200461121665 is 5661211640022.

2200461121665 is a `hidden beast` number, since 2 + 20 + 0 + 4 + 611 + 2 + 16 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1621557747216 + 578903374449 = 1273404^2 + 760857^2 .

It is not a de Polignac number, because 2200461121665 - 2⁵ = 2200461121633 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24449567974 + ... + 24449568063.

It is an arithmetic number, because the mean of its divisors is an integer number (317844384247).

Almost surely, 2^{2200461121665} is an apocalyptic number.

It is an amenable number.

2200461121665 is a deficient number, since it is larger than the sum of its proper divisors (1613671489299).

2200461121665 is a wasteful number, since it uses less digits than its factorization.

2200461121665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48899136048 (or 48899136045 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 2200461121665 its reverse (5661211640022), we get a palindrome (7861672761687).

The spelling of 2200461121665 in words is "two trillion, two hundred billion, four hundred sixty-one million, one hundred twenty-one thousand, six hundred sixty-five".