3406287111881 has 16 divisors (see below), whose sum is σ = 3564133939200. Its totient is φ = 3249254364048.

The previous prime is 3406287111827. The next prime is 3406287111883. The reversal of 3406287111881 is 1881117826043.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-3406287111881 is a prime.

It is a super-2 number, since 2×3406287111881² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3406287111883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138753650 + ... + 138778196.

It is an arithmetic number, because the mean of its divisors is an integer number (222758371200).

Almost surely, 2^{3406287111881} is an apocalyptic number.

It is an amenable number.

3406287111881 is a deficient number, since it is larger than the sum of its proper divisors (157846827319).

3406287111881 is a wasteful number, since it uses less digits than its factorization.

3406287111881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40868.

The product of its (nonzero) digits is 516096, while the sum is 50.

The spelling of 3406287111881 in words is "three trillion, four hundred six billion, two hundred eighty-seven million, one hundred eleven thousand, eight hundred eighty-one".