108201395881 has 4 divisors (see below), whose sum is σ = 114566183892. Its totient is φ = 101836607872.

The previous prime is 108201395851. The next prime is 108201395899. The reversal of 108201395881 is 188593102801.

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

It can be written as a sum of positive squares in 2 ways, for example, as 64912848400 + 43288547481 = 254780^2 + 208059^2 .

It is a cyclic number.

It is not a de Polignac number, because 108201395881 - 2¹³ = 108201387689 is a prime.

It is a super-2 number, since 2×108201395881² (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 (108201395821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3182393980 + ... + 3182394013.

It is an arithmetic number, because the mean of its divisors is an integer number (28641545973).

Almost surely, 2^108201395881 is an apocalyptic number.

It is an amenable number.

108201395881 is a deficient number, since it is larger than the sum of its proper divisors (6364788011).

108201395881 is an equidigital number, since it uses as much as digits as its factorization.

108201395881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6364788010.

The product of its (nonzero) digits is 138240, while the sum is 46.

The spelling of 108201395881 in words is "one hundred eight billion, two hundred one million, three hundred ninety-five thousand, eight hundred eighty-one".