3406287111861 has 8 divisors (see below), whose sum is σ = 4561548971680. Its totient is φ = 2260941663312.

The previous prime is 3406287111827. The next prime is 3406287111883. The reversal of 3406287111861 is 1681117826043.

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

It is not a de Polignac number, because 3406287111861 - 2⁶ = 3406287111797 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3406287111861.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3406287111761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2479102015 + ... + 2479103388.

It is an arithmetic number, because the mean of its divisors is an integer number (570193621460).

Almost surely, 2^{3406287111861} is an apocalyptic number.

It is an amenable number.

3406287111861 is a deficient number, since it is larger than the sum of its proper divisors (1155261859819).

3406287111861 is a wasteful number, since it uses less digits than its factorization.

3406287111861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4958205635.

The product of its (nonzero) digits is 387072, while the sum is 48.

The spelling of 3406287111861 in words is "three trillion, four hundred six billion, two hundred eighty-seven million, one hundred eleven thousand, eight hundred sixty-one".