109188813841 has 4 divisors (see below), whose sum is σ = 111851955684. Its totient is φ = 106525672000.

The previous prime is 109188813827. The next prime is 109188813869. The reversal of 109188813841 is 148318881901.

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 7156483216 + 102032330625 = 84596^2 + 319425^2 .

It is a cyclic number.

It is not a de Polignac number, because 109188813841 - 2²⁹ = 108651942929 is a prime.

It is a super-3 number, since 3×109188813841³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (109188813821) 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, 1331570860 + ... + 1331570941.

It is an arithmetic number, because the mean of its divisors is an integer number (27962988921).

Almost surely, 2^109188813841 is an apocalyptic number.

It is an amenable number.

109188813841 is a deficient number, since it is larger than the sum of its proper divisors (2663141843).

109188813841 is an equidigital number, since it uses as much as digits as its factorization.

109188813841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2663141842.

The product of its (nonzero) digits is 442368, while the sum is 52.

The spelling of 109188813841 in words is "one hundred nine billion, one hundred eighty-eight million, eight hundred thirteen thousand, eight hundred forty-one".