109999655 has 8 divisors (see below), whose sum is σ = 132109584. Its totient is φ = 87926400.

The previous prime is 109999627. The next prime is 109999657. The reversal of 109999655 is 556999901.

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

It is not a de Polignac number, because 109999655 - 2¹⁴ = 109983271 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 109999597 and 109999606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109999657) 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, 2066 + ... + 14975.

It is an arithmetic number, because the mean of its divisors is an integer number (16513698).

Almost surely, 2^109999655 is an apocalyptic number.

109999655 is a deficient number, since it is larger than the sum of its proper divisors (22109929).

109999655 is a wasteful number, since it uses less digits than its factorization.

109999655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18337.

The product of its (nonzero) digits is 984150, while the sum is 53.

The square root of 109999655 is about 10488.0720344590. The cubic root of 109999655 is about 479.1414847846.

The spelling of 109999655 in words is "one hundred nine million, nine hundred ninety-nine thousand, six hundred fifty-five".