11531064 has 16 divisors (see below), whose sum is σ = 28827720. Its totient is φ = 3843680.

The previous prime is 11531059. The next prime is 11531099. The reversal of 11531064 is 46013511.

It is a self number, because there is not a number n which added to its sum of digits gives 11531064.

It is a congruent 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, 240207 + ... + 240254.

Almost surely, 2^11531064 is an apocalyptic number.

It is an amenable number.

11531064 is an abundant number, since it is smaller than the sum of its proper divisors (17296656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11531064 is a wasteful number, since it uses less digits than its factorization.

11531064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480470 (or 480466 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 11531064 is about 3395.7420396726. The cubic root of 11531064 is about 225.9209267317.

Adding to 11531064 its reverse (46013511), we get a palindrome (57544575).

The spelling of 11531064 in words is "eleven million, five hundred thirty-one thousand, sixty-four".