3520605721411 has 16 divisors (see below), whose sum is σ = 3741318144000. Its totient is φ = 3303522750528.

The previous prime is 3520605721403. The next prime is 3520605721427. The reversal of 3520605721411 is 1141275060253.

It is a cyclic number.

It is not a de Polignac number, because 3520605721411 - 2³ = 3520605721403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3520605721211) 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, 227511 + ... + 2663263.

It is an arithmetic number, because the mean of its divisors is an integer number (233832384000).

Almost surely, 2^{3520605721411} is an apocalyptic number.

3520605721411 is a deficient number, since it is larger than the sum of its proper divisors (220712422589).

3520605721411 is a wasteful number, since it uses less digits than its factorization.

3520605721411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2436498.

The product of its (nonzero) digits is 50400, while the sum is 37.

The spelling of 3520605721411 in words is "three trillion, five hundred twenty billion, six hundred five million, seven hundred twenty-one thousand, four hundred eleven".