11287552 has 44 divisors (see below), whose sum is σ = 23024656. Its totient is φ = 5529600.

The previous prime is 11287531. The next prime is 11287559. The reversal of 11287552 is 25578211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11287559) 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, 74677 + ... + 74827.

Almost surely, 2^11287552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11287552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11512328).

11287552 is an abundant number, since it is smaller than the sum of its proper divisors (11737104).

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

11287552 is an equidigital number, since it uses as much as digits as its factorization.

11287552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 226 counting only the distinct ones).

The product of its digits is 5600, while the sum is 31.

The square root of 11287552 is about 3359.6952242726. The cubic root of 11287552 is about 224.3192726080.

The spelling of 11287552 in words is "eleven million, two hundred eighty-seven thousand, five hundred fifty-two".