4112341907881 has 9 divisors (see below), whose sum is σ = 4135809295191. Its totient is φ = 4089006966144.

The previous prime is 4112341907867. The next prime is 4112341907899. The reversal of 4112341907881 is 1887091432114.

The square root of 4112341907881 is 2027891.

It is a perfect power (a square), and thus also a powerful number.

4112341907881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1447350957481 + 2664990950400 = 1203059^2 + 1632480^2 .

It is not a de Polignac number, because 4112341907881 - 2³¹ = 4110194424233 is a prime.

It is a super-2 number, since 2×4112341907881² (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 (4112341907851) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 362986825 + ... + 362998153.

Almost surely, 2^{4112341907881} is an apocalyptic number.

4112341907881 is the 2027891-st square number.

4112341907881 is the 1013946-th centered octagonal number.

It is an amenable number.

4112341907881 is a deficient number, since it is larger than the sum of its proper divisors (23467387310).

4112341907881 is an frugal number, since it uses more digits than its factorization.

4112341907881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23016 (or 11508 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 49.

Multiplying 4112341907881 by its sum of digits (49), we get a square (201504753486169 = 14195237²).

The spelling of 4112341907881 in words is "four trillion, one hundred twelve billion, three hundred forty-one million, nine hundred seven thousand, eight hundred eighty-one".