3785450575571 has 12 divisors (see below), whose sum is σ = 4403537409960. Its totient is φ = 3244632068160.

The previous prime is 3785450575553. The next prime is 3785450575583. The reversal of 3785450575571 is 1755750545873.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-3785450575571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3785450575871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3977531 + ... + 4836491.

It is an arithmetic number, because the mean of its divisors is an integer number (366961450830).

Almost surely, 2^{3785450575571} is an apocalyptic number.

3785450575571 is a deficient number, since it is larger than the sum of its proper divisors (618086834389).

3785450575571 is an equidigital number, since it uses as much as digits as its factorization.

3785450575571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948914 (or 948907 counting only the distinct ones).

The product of its (nonzero) digits is 102900000, while the sum is 62.

The spelling of 3785450575571 in words is "three trillion, seven hundred eighty-five billion, four hundred fifty million, five hundred seventy-five thousand, five hundred seventy-one".