109988529 has 16 divisors (see below), whose sum is σ = 169623552. Its totient is φ = 62092368.

The previous prime is 109988509. The next prime is 109988533. The reversal of 109988529 is 925889901.

It is not a de Polignac number, because 109988529 - 2⁵ = 109988497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (109988509) 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 15 ways as a sum of consecutive naturals, for example, 29809 + ... + 33294.

It is an arithmetic number, because the mean of its divisors is an integer number (10601472).

Almost surely, 2^109988529 is an apocalyptic number.

It is an amenable number.

109988529 is a deficient number, since it is larger than the sum of its proper divisors (59635023).

109988529 is an equidigital number, since it uses as much as digits as its factorization.

109988529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63196.

The product of its (nonzero) digits is 466560, while the sum is 51.

The square root of 109988529 is about 10487.5416089759. The cubic root of 109988529 is about 479.1253298615.

The spelling of 109988529 in words is "one hundred nine million, nine hundred eighty-eight thousand, five hundred twenty-nine".