11152566 has 40 divisors (see below), whose sum is σ = 25587144. Its totient is φ = 3628800.

The previous prime is 11152543. The next prime is 11152567. The reversal of 11152566 is 66525111.

It is a happy number.

11152566 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11152567) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6166 + ... + 7766.

Almost surely, 2^11152566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11152566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12793572).

11152566 is an abundant number, since it is smaller than the sum of its proper divisors (14434578).

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

11152566 is a wasteful number, since it uses less digits than its factorization.

11152566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1658 (or 1649 counting only the distinct ones).

The product of its digits is 1800, while the sum is 27.

The square root of 11152566 is about 3339.5457774973. The cubic root of 11152566 is about 223.4214849656.

Adding to 11152566 its reverse (66525111), we get a palindrome (77677677).

The spelling of 11152566 in words is "eleven million, one hundred fifty-two thousand, five hundred sixty-six".