81043047046301 has 16 divisors (see below), whose sum is σ = 83282344874496. Its totient is φ = 78806330680896.

The previous prime is 81043047046267. The next prime is 81043047046309. The reversal of 81043047046301 is 10364074034018.

It is a cyclic number.

It is not a de Polignac number, because 81043047046301 - 2⁴² = 76645000535197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (81043047046309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1614153140 + ... + 1614203346.

It is an arithmetic number, because the mean of its divisors is an integer number (5205146554656).

Almost surely, 2^{81043047046301} is an apocalyptic number.

It is an amenable number.

81043047046301 is a deficient number, since it is larger than the sum of its proper divisors (2239297828195).

81043047046301 is a wasteful number, since it uses less digits than its factorization.

81043047046301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75028.

The product of its (nonzero) digits is 193536, while the sum is 41.

The spelling of 81043047046301 in words is "eighty-one trillion, forty-three billion, forty-seven million, forty-six thousand, three hundred one".