108411489081 has 27 divisors (see below), whose sum is σ = 182172420261. Its totient is φ = 61945471224.

The previous prime is 108411489047. The next prime is 108411489133. The reversal of 108411489081 is 180984114801.

The square root of 108411489081 is 329259.

It is a perfect power (a square), and thus also a powerful number.

108411489081 is a `hidden beast` number, since 1 + 0 + 84 + 11 + 489 + 0 + 81 = 666.

It is not a de Polignac number, because 108411489081 - 2⁹ = 108411488569 is a prime.

It is a super-2 number, since 2×108411489081² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (108411489881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 6906600 + ... + 6922278.

Almost surely, 2^108411489081 is an apocalyptic number.

108411489081 is the 329259-th square number.

108411489081 is the 164630-th centered octagonal number.

It is an amenable number.

108411489081 is a deficient number, since it is larger than the sum of its proper divisors (73760931180).

108411489081 is an frugal number, since it uses more digits than its factorization.

108411489081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31378 (or 15689 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 45.

The spelling of 108411489081 in words is "one hundred eight billion, four hundred eleven million, four hundred eighty-nine thousand, eighty-one".