11512560 has 40 divisors (see below), whose sum is σ = 35689680. Its totient is φ = 3069952.

The previous prime is 11512547. The next prime is 11512561. The reversal of 11512560 is 6521511.

It is a tau number, because it is divible by the number of its divisors (40).

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11512561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23745 + ... + 24224.

It is an arithmetic number, because the mean of its divisors is an integer number (892242).

Almost surely, 2^11512560 is an apocalyptic number.

11512560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11512560 is an abundant number, since it is smaller than the sum of its proper divisors (24177120).

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

11512560 is a wasteful number, since it uses less digits than its factorization.

11512560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47985 (or 47979 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 11512560 is about 3393.0163571666. The cubic root of 11512560 is about 225.8000162660.

The spelling of 11512560 in words is "eleven million, five hundred twelve thousand, five hundred sixty".