11125789 has 8 divisors (see below), whose sum is σ = 11470680. Its totient is φ = 10783296.

The previous prime is 11125781. The next prime is 11125799. The reversal of 11125789 is 98752111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 511225 + 10614564 = 715^2 + 3258^2 .

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 11125789 - 2³ = 11125781 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11125781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14007 + ... + 14779.

It is an arithmetic number, because the mean of its divisors is an integer number (1433835).

Almost surely, 2^11125789 is an apocalyptic number.

It is an amenable number.

11125789 is a deficient number, since it is larger than the sum of its proper divisors (344891).

11125789 is an equidigital number, since it uses as much as digits as its factorization.

11125789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199.

The product of its digits is 5040, while the sum is 34.

The square root of 11125789 is about 3335.5342900351. The cubic root of 11125789 is about 223.2425320835.

The spelling of 11125789 in words is "eleven million, one hundred twenty-five thousand, seven hundred eighty-nine".