109208968855 has 8 divisors (see below), whose sum is σ = 149772300192. Its totient is φ = 74886150048.

The previous prime is 109208968849. The next prime is 109208968859. The reversal of 109208968855 is 558869802901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 109208968855 - 2⁷ = 109208968727 is a prime.

It is a super-2 number, since 2×109208968855² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109208968793 and 109208968802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109208968859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1560128092 + ... + 1560128161.

It is an arithmetic number, because the mean of its divisors is an integer number (18721537524).

Almost surely, 2^109208968855 is an apocalyptic number.

109208968855 is a deficient number, since it is larger than the sum of its proper divisors (40563331337).

109208968855 is an equidigital number, since it uses as much as digits as its factorization.

109208968855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3120256265.

The product of its (nonzero) digits is 12441600, while the sum is 61.

The spelling of 109208968855 in words is "one hundred nine billion, two hundred eight million, nine hundred sixty-eight thousand, eight hundred fifty-five".