4278071158681 has 8 divisors (see below), whose sum is σ = 4282469660000. Its totient is φ = 4273674873120.

The previous prime is 4278071158663. The next prime is 4278071158787. The reversal of 4278071158681 is 1868511708724.

4278071158681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 4278071158681 - 2⁵ = 4278071158649 is a prime.

It is a super-2 number, since 2×4278071158681² (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 (4278071458681) 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, 3323470 + ... + 4427368.

It is an arithmetic number, because the mean of its divisors is an integer number (535308707500).

Almost surely, 2^{4278071158681} is an apocalyptic number.

It is an amenable number.

4278071158681 is a deficient number, since it is larger than the sum of its proper divisors (4398501319).

4278071158681 is a wasteful number, since it uses less digits than its factorization.

4278071158681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1107879.

The product of its (nonzero) digits is 6021120, while the sum is 58.

The spelling of 4278071158681 in words is "four trillion, two hundred seventy-eight billion, seventy-one million, one hundred fifty-eight thousand, six hundred eighty-one".