4281781227855 has 16 divisors (see below), whose sum is σ = 6850946619360. Its totient is φ = 2283584436608.

The previous prime is 4281781227839. The next prime is 4281781227877. The reversal of 4281781227855 is 5587221871824.

It is a cyclic number.

It is not a de Polignac number, because 4281781227855 - 2⁴ = 4281781227839 is a prime.

It is a super-2 number, since 2×4281781227855² (a number of 26 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 894960 + ... + 3060149.

It is an arithmetic number, because the mean of its divisors is an integer number (428184163710).

Almost surely, 2^{4281781227855} is an apocalyptic number.

4281781227855 is a deficient number, since it is larger than the sum of its proper divisors (2569165391505).

4281781227855 is a wasteful number, since it uses less digits than its factorization.

4281781227855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4027290.

The product of its digits is 20070400, while the sum is 60.

The spelling of 4281781227855 in words is "four trillion, two hundred eighty-one billion, seven hundred eighty-one million, two hundred twenty-seven thousand, eight hundred fifty-five".