89381431440811 has 4 divisors (see below), whose sum is σ = 89397768757824. Its totient is φ = 89365094123800.

The previous prime is 89381431440799. The next prime is 89381431440881. The reversal of 89381431440811 is 11804413418398.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 89381431440811 - 2⁵ = 89381431440779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89381431440881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8168650300 + ... + 8168661241.

It is an arithmetic number, because the mean of its divisors is an integer number (22349442189456).

Almost surely, 2^{89381431440811} is an apocalyptic number.

89381431440811 is a deficient number, since it is larger than the sum of its proper divisors (16337317013).

89381431440811 is a wasteful number, since it uses less digits than its factorization.

89381431440811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16337317012.

The product of its (nonzero) digits is 2654208, while the sum is 55.

The spelling of 89381431440811 in words is "eighty-nine trillion, three hundred eighty-one billion, four hundred thirty-one million, four hundred forty thousand, eight hundred eleven".