3420111805 has 16 divisors (see below), whose sum is σ = 4479868800. Its totient is φ = 2485892160.

The previous prime is 3420111787. The next prime is 3420111829. The reversal of 3420111805 is 5081110243.

It is not a de Polignac number, because 3420111805 - 2¹⁹ = 3419587517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3420111805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81016 + ... + 115774.

It is an arithmetic number, because the mean of its divisors is an integer number (279991800).

Almost surely, 2^3420111805 is an apocalyptic number.

It is an amenable number.

3420111805 is a deficient number, since it is larger than the sum of its proper divisors (1059756995).

3420111805 is a wasteful number, since it uses less digits than its factorization.

3420111805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36564.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 3420111805 is about 58481.7219736218. The cubic root of 3420111805 is about 1506.6536724924.

The spelling of 3420111805 in words is "three billion, four hundred twenty million, one hundred eleven thousand, eight hundred five".