11129389 has 8 divisors (see below), whose sum is σ = 11577632. Its totient is φ = 10689840.

The previous prime is 11129357. The next prime is 11129423. The reversal of 11129389 is 98392111.

11129389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11129389 - 2⁵ = 11129357 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11129329) 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, 502 + ... + 4744.

It is an arithmetic number, because the mean of its divisors is an integer number (1447204).

Almost surely, 2^11129389 is an apocalyptic number.

It is an amenable number.

11129389 is a deficient number, since it is larger than the sum of its proper divisors (448243).

11129389 is an equidigital number, since it uses as much as digits as its factorization.

11129389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4347.

The product of its digits is 3888, while the sum is 34.

The square root of 11129389 is about 3336.0738900690. The cubic root of 11129389 is about 223.2666078726.

It can be divided in two parts, 1112 and 9389, that added together give a palindrome (10501).

The spelling of 11129389 in words is "eleven million, one hundred twenty-nine thousand, three hundred eighty-nine".