2104891756275 has 96 divisors (see below), whose sum is σ = 4377208555008. Its totient is φ = 867018700800.

The previous prime is 2104891756271. The next prime is 2104891756277. The reversal of 2104891756275 is 5726571984012.

It is not a de Polignac number, because 2104891756275 - 2² = 2104891756271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2104891756271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 960184 + ... + 2265333.

It is an arithmetic number, because the mean of its divisors is an integer number (45595922448).

Almost surely, 2^{2104891756275} is an apocalyptic number.

2104891756275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2104891756275 is an abundant number, since it is smaller than the sum of its proper divisors (2272316798733).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2104891756275 is a wasteful number, since it uses less digits than its factorization.

2104891756275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225661 (or 3225656 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 57.

The spelling of 2104891756275 in words is "two trillion, one hundred four billion, eight hundred ninety-one million, seven hundred fifty-six thousand, two hundred seventy-five".