11535489 has 48 divisors (see below), whose sum is σ = 20966400. Its totient is φ = 5959008.

The previous prime is 11535487. The next prime is 11535499. The reversal of 11535489 is 98453511.

It is not a de Polignac number, because 11535489 - 2¹ = 11535487 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11535487) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27322 + ... + 27740.

It is an arithmetic number, because the mean of its divisors is an integer number (436800).

Almost surely, 2^11535489 is an apocalyptic number.

11535489 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

11535489 is a deficient number, since it is larger than the sum of its proper divisors (9430911).

11535489 is a wasteful number, since it uses less digits than its factorization.

11535489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 471 counting only the distinct ones).

The product of its digits is 21600, while the sum is 36.

The square root of 11535489 is about 3396.3935284357. The cubic root of 11535489 is about 225.9498217886.

The spelling of 11535489 in words is "eleven million, five hundred thirty-five thousand, four hundred eighty-nine".