11553560 has 16 divisors (see below), whose sum is σ = 25995600. Its totient is φ = 4621408.

The previous prime is 11553551. The next prime is 11553569. The reversal of 11553560 is 6535511.

It is an interprime number because it is at equal distance from previous prime (11553551) and next prime (11553569).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11553569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144380 + ... + 144459.

It is an arithmetic number, because the mean of its divisors is an integer number (1624725).

Almost surely, 2^11553560 is an apocalyptic number.

11553560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11553560 is an abundant number, since it is smaller than the sum of its proper divisors (14442040).

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

11553560 is a wasteful number, since it uses less digits than its factorization.

11553560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288850 (or 288846 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 11553560 is about 3399.0528092397. The cubic root of 11553560 is about 226.0677479822.

The spelling of 11553560 in words is "eleven million, five hundred fifty-three thousand, five hundred sixty".