11488919 has 4 divisors (see below), whose sum is σ = 12372696. Its totient is φ = 10605144.

The previous prime is 11488913. The next prime is 11488931. The reversal of 11488919 is 91988411.

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 11488919 - 2⁴ = 11488903 is a prime.

It is a super-2 number, since 2×11488919² = 263990519577122, 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 (11488913) 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, 441869 + ... + 441894.

It is an arithmetic number, because the mean of its divisors is an integer number (3093174).

Almost surely, 2^11488919 is an apocalyptic number.

11488919 is a deficient number, since it is larger than the sum of its proper divisors (883777).

11488919 is an equidigital number, since it uses as much as digits as its factorization.

11488919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883776.

The product of its digits is 20736, while the sum is 41.

The square root of 11488919 is about 3389.5307934875. The cubic root of 11488919 is about 225.6453505123.

The spelling of 11488919 in words is "eleven million, four hundred eighty-eight thousand, nine hundred nineteen".