108385405441 has 4 divisors (see below), whose sum is σ = 108386092800. Its totient is φ = 108384718084.

The previous prime is 108385405439. The next prime is 108385405451. The reversal of 108385405441 is 144504583801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 144504583801 = 89 ⋅1623647009.

It is a cyclic number.

It is not a de Polignac number, because 108385405441 - 2¹ = 108385405439 is a prime.

It is a super-2 number, since 2×108385405441² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108385405451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23880 + ... + 466198.

It is an arithmetic number, because the mean of its divisors is an integer number (27096523200).

Almost surely, 2^108385405441 is an apocalyptic number.

It is an amenable number.

108385405441 is a deficient number, since it is larger than the sum of its proper divisors (687359).

108385405441 is an equidigital number, since it uses as much as digits as its factorization.

108385405441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687358.

The product of its (nonzero) digits is 307200, while the sum is 43.

The spelling of 108385405441 in words is "one hundred eight billion, three hundred eighty-five million, four hundred five thousand, four hundred forty-one".