11489519 has 4 divisors (see below), whose sum is σ = 11520696. Its totient is φ = 11458344.

The previous prime is 11489507. The next prime is 11489521. The reversal of 11489519 is 91598411.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11489519 - 2¹² = 11485423 is a prime.

It is a super-2 number, since 2×11489519² = 264018093702722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11489579) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15029 + ... + 15774.

It is an arithmetic number, because the mean of its divisors is an integer number (2880174).

Almost surely, 2^11489519 is an apocalyptic number.

11489519 is a deficient number, since it is larger than the sum of its proper divisors (31177).

11489519 is an equidigital number, since it uses as much as digits as its factorization.

11489519 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31176.

The product of its digits is 12960, while the sum is 38.

The square root of 11489519 is about 3389.6193001575. The cubic root of 11489519 is about 225.6492784958.

It can be divided in two parts, 114895 and 19, that multiplied together give a triangular number (2183005 = T₂₀₈₉).

The spelling of 11489519 in words is "eleven million, four hundred eighty-nine thousand, five hundred nineteen".