11109129 has 16 divisors (see below), whose sum is σ = 16097280. Its totient is φ = 6788880.

The previous prime is 11109127. The next prime is 11109149. The reversal of 11109129 is 92190111.

It is not a de Polignac number, because 11109129 - 2¹ = 11109127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11109099 and 11109108.

It is not an unprimeable number, because it can be changed into a prime (11109127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1377 + ... + 4910.

It is an arithmetic number, because the mean of its divisors is an integer number (1006080).

Almost surely, 2^11109129 is an apocalyptic number.

11109129 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11109129 is a deficient number, since it is larger than the sum of its proper divisors (4988151).

11109129 is a wasteful number, since it uses less digits than its factorization.

11109129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6340.

The product of its (nonzero) digits is 162, while the sum is 24.

The square root of 11109129 is about 3333.0360034059. The cubic root of 11109129 is about 223.1310470001.

The spelling of 11109129 in words is "eleven million, one hundred nine thousand, one hundred twenty-nine".