2126853008161 has 16 divisors (see below), whose sum is σ = 2483641128960. Its totient is φ = 1783341481680.

The previous prime is 2126853008153. The next prime is 2126853008201. The reversal of 2126853008161 is 1618003586212.

It is a cyclic number.

It is not a de Polignac number, because 2126853008161 - 2³ = 2126853008153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2126853008261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 945691 + ... + 2268928.

It is an arithmetic number, because the mean of its divisors is an integer number (155227570560).

Almost surely, 2^{2126853008161} is an apocalyptic number.

It is an amenable number.

2126853008161 is a deficient number, since it is larger than the sum of its proper divisors (356788120799).

2126853008161 is a wasteful number, since it uses less digits than its factorization.

2126853008161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3216684.

The product of its (nonzero) digits is 138240, while the sum is 43.

The spelling of 2126853008161 in words is "two trillion, one hundred twenty-six billion, eight hundred fifty-three million, eight thousand, one hundred sixty-one".