3105938946881 has 16 divisors (see below), whose sum is σ = 3290934588480. Its totient is φ = 2921198891520.

The previous prime is 3105938946827. The next prime is 3105938946893. The reversal of 3105938946881 is 1886498395013.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3105938946881 is a prime.

It is a super-2 number, since 2×3105938946881² (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 (3105938946581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179618846 + ... + 179636136.

It is an arithmetic number, because the mean of its divisors is an integer number (205683411780).

Almost surely, 2^{3105938946881} is an apocalyptic number.

It is an amenable number.

3105938946881 is a deficient number, since it is larger than the sum of its proper divisors (184995641599).

3105938946881 is a wasteful number, since it uses less digits than its factorization.

3105938946881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24064.

The product of its (nonzero) digits is 44789760, while the sum is 65.

The spelling of 3105938946881 in words is "three trillion, one hundred five billion, nine hundred thirty-eight million, nine hundred forty-six thousand, eight hundred eighty-one".