11165532 has 72 divisors (see below), whose sum is σ = 32117904. Its totient is φ = 2999808.

The previous prime is 11165519. The next prime is 11165533. The reversal of 11165532 is 23556111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11165533) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9438 + ... + 10554.

It is an arithmetic number, because the mean of its divisors is an integer number (446082).

Almost surely, 2^11165532 is an apocalyptic number.

11165532 is a gapful number since it is divisible by the number (12) 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 11165532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16058952).

11165532 is an abundant number, since it is smaller than the sum of its proper divisors (20952372).

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

11165532 is a wasteful number, since it uses less digits than its factorization.

11165532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155 (or 1146 counting only the distinct ones).

The product of its digits is 900, while the sum is 24.

The square root of 11165532 is about 3341.4864955585. The cubic root of 11165532 is about 223.5080348847.

The spelling of 11165532 in words is "eleven million, one hundred sixty-five thousand, five hundred thirty-two".