2128753952896 has 32 divisors (see below), whose sum is σ = 4241678985180. Its totient is φ = 1064175697920.

The previous prime is 2128753952867. The next prime is 2128753952987. The reversal of 2128753952896 is 6982593578212.

It can be written as a sum of positive squares in 2 ways, for example, as 2104054687296 + 24699265600 = 1450536^2 + 157160^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 891825 + ... + 2247856.

Almost surely, 2^{2128753952896} is an apocalyptic number.

It is an amenable number.

2128753952896 is a deficient number, since it is larger than the sum of its proper divisors (2112925032284).

2128753952896 is an equidigital number, since it uses as much as digits as its factorization.

2128753952896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144992 (or 3144980 counting only the distinct ones).

The product of its digits is 130636800, while the sum is 67.

The spelling of 2128753952896 in words is "two trillion, one hundred twenty-eight billion, seven hundred fifty-three million, nine hundred fifty-two thousand, eight hundred ninety-six".