109499655 has 16 divisors (see below), whose sum is σ = 176936544. Its totient is φ = 57820800.

The previous prime is 109499647. The next prime is 109499683. The reversal of 109499655 is 556994901.

It is not a de Polignac number, because 109499655 - 2³ = 109499647 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 34624 + ... + 37653.

It is an arithmetic number, because the mean of its divisors is an integer number (11058534).

Almost surely, 2^109499655 is an apocalyptic number.

109499655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

109499655 is a deficient number, since it is larger than the sum of its proper divisors (67436889).

109499655 is a wasteful number, since it uses less digits than its factorization.

109499655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72386.

The product of its (nonzero) digits is 437400, while the sum is 48.

The square root of 109499655 is about 10464.2082834775. The cubic root of 109499655 is about 478.4144078105.

The spelling of 109499655 in words is "one hundred nine million, four hundred ninety-nine thousand, six hundred fifty-five".