109819895505 has 8 divisors (see below), whose sum is σ = 175711832832. Its totient is φ = 58570610928.

The previous prime is 109819895491. The next prime is 109819895509. The reversal of 109819895505 is 505598918901.

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

It is not a de Polignac number, because 109819895505 - 2⁴ = 109819895489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109819895509) 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 7 ways as a sum of consecutive naturals, for example, 3660663169 + ... + 3660663198.

It is an arithmetic number, because the mean of its divisors is an integer number (21963979104).

Almost surely, 2^109819895505 is an apocalyptic number.

109819895505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

109819895505 is a deficient number, since it is larger than the sum of its proper divisors (65891937327).

109819895505 is an equidigital number, since it uses as much as digits as its factorization.

109819895505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7321326375.

The product of its (nonzero) digits is 5832000, while the sum is 60.

The spelling of 109819895505 in words is "one hundred nine billion, eight hundred nineteen million, eight hundred ninety-five thousand, five hundred five".