11489515 has 4 divisors (see below), whose sum is σ = 13787424. Its totient is φ = 9191608.

The previous prime is 11489507. The next prime is 11489521. The reversal of 11489515 is 51598411.

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 11489515 - 2³ = 11489507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148947 + ... + 1148956.

It is an arithmetic number, because the mean of its divisors is an integer number (3446856).

Almost surely, 2^11489515 is an apocalyptic number.

11489515 is a deficient number, since it is larger than the sum of its proper divisors (2297909).

11489515 is an equidigital number, since it uses as much as digits as its factorization.

11489515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297908.

The product of its digits is 7200, while the sum is 34.

The square root of 11489515 is about 3389.6187101207. The cubic root of 11489515 is about 225.6492523097.

The spelling of 11489515 in words is "eleven million, four hundred eighty-nine thousand, five hundred fifteen".