11534520 has 64 divisors (see below), whose sum is σ = 36432000. Its totient is φ = 2913408.

The previous prime is 11534473. The next prime is 11534533. The reversal of 11534520 is 2543511.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 250 + ... + 4809.

It is an arithmetic number, because the mean of its divisors is an integer number (569250).

Almost surely, 2^11534520 is an apocalyptic number.

11534520 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 11534520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18216000).

11534520 is an abundant number, since it is smaller than the sum of its proper divisors (24897480).

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

11534520 is a wasteful number, since it uses less digits than its factorization.

11534520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5092 (or 5088 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 11534520 is about 3396.2508741258. The cubic root of 11534520 is about 225.9434948929.

The spelling of 11534520 in words is "eleven million, five hundred thirty-four thousand, five hundred twenty".