11071389 has 8 divisors (see below), whose sum is σ = 16870720. Its totient is φ = 6326496.

The previous prime is 11071373. The next prime is 11071391. The reversal of 11071389 is 98317011.

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

It is not a de Polignac number, because 11071389 - 2⁴ = 11071373 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 (11076389) 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, 263584 + ... + 263625.

It is an arithmetic number, because the mean of its divisors is an integer number (2108840).

Almost surely, 2^11071389 is an apocalyptic number.

It is an amenable number.

11071389 is a deficient number, since it is larger than the sum of its proper divisors (5799331).

11071389 is an equidigital number, since it uses as much as digits as its factorization.

11071389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527219.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 11071389 is about 3327.3696818959. The cubic root of 11071389 is about 222.8780862843.

The spelling of 11071389 in words is "eleven million, seventy-one thousand, three hundred eighty-nine".