11506560 has 128 divisors (see below), whose sum is σ = 39584160. Its totient is φ = 2826240.

The previous prime is 11506541. The next prime is 11506567. The reversal of 11506560 is 6560511.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 11506560.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11506567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24730 + ... + 25190.

Almost surely, 2^11506560 is an apocalyptic number.

11506560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11506560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19792080).

11506560 is an abundant number, since it is smaller than the sum of its proper divisors (28077600).

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

11506560 is a wasteful number, since it uses less digits than its factorization.

11506560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 11506560 is about 3392.1320729005. The cubic root of 11506560 is about 225.7607827238.

The spelling of 11506560 in words is "eleven million, five hundred six thousand, five hundred sixty".