109995681 has 8 divisors (see below), whose sum is σ = 146900320. Its totient is φ = 73210752.

The previous prime is 109995673. The next prime is 109995703. The reversal of 109995681 is 186599901.

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

It is not a de Polignac number, because 109995681 - 2³ = 109995673 is a prime.

It is a super-2 number, since 2×109995681² = 24198099677307522, which contains 22 as substring.

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 109995681.

It is not an unprimeable number, because it can be changed into a prime (109995631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27760 + ... + 31473.

It is an arithmetic number, because the mean of its divisors is an integer number (18362540).

Almost surely, 2^109995681 is an apocalyptic number.

It is an amenable number.

109995681 is a deficient number, since it is larger than the sum of its proper divisors (36904639).

109995681 is an equidigital number, since it uses as much as digits as its factorization.

109995681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59855.

The product of its (nonzero) digits is 174960, while the sum is 48.

The square root of 109995681 is about 10487.8825794342. The cubic root of 109995681 is about 479.1357146720.

The spelling of 109995681 in words is "one hundred nine million, nine hundred ninety-five thousand, six hundred eighty-one".