2101725353886 has 8 divisors (see below), whose sum is σ = 4203450707784. Its totient is φ = 700575117960.

The previous prime is 2101725353881. The next prime is 2101725353909. The reversal of 2101725353886 is 6883535271012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

2101725353886 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101725353881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175143779485 + ... + 175143779496.

It is an arithmetic number, because the mean of its divisors is an integer number (525431338473).

Almost surely, 2^{2101725353886} is an apocalyptic number.

2101725353886 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2101725353886 is a wasteful number, since it uses less digits than its factorization.

2101725353886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350287558986.

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 2101725353886 in words is "two trillion, one hundred one billion, seven hundred twenty-five million, three hundred fifty-three thousand, eight hundred eighty-six".