108849349121 has 4 divisors (see below), whose sum is σ = 108850164912. Its totient is φ = 108848533332.

The previous prime is 108849349111. The next prime is 108849349127. The reversal of 108849349121 is 121943948801.

It is a happy number.

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: 121943948801 = 159721 ⋅763481.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108849349121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 108849349121.

It is not an unprimeable number, because it can be changed into a prime (108849349127) 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, 155831 + ... + 491916.

It is an arithmetic number, because the mean of its divisors is an integer number (27212541228).

Almost surely, 2^108849349121 is an apocalyptic number.

It is an amenable number.

108849349121 is a deficient number, since it is larger than the sum of its proper divisors (815791).

108849349121 is an equidigital number, since it uses as much as digits as its factorization.

108849349121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815790.

The product of its (nonzero) digits is 497664, while the sum is 50.

The spelling of 108849349121 in words is "one hundred eight billion, eight hundred forty-nine million, three hundred forty-nine thousand, one hundred twenty-one".