11099520 has 192 divisors, whose sum is σ = 40098240. Its totient is φ = 2826240.

The previous prime is 11099513. The next prime is 11099527. The reversal of 11099520 is 2599011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11099513) and next prime (11099527).

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11099527) 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, 236137 + ... + 236183.

It is an arithmetic number, because the mean of its divisors is an integer number (208845).

Almost surely, 2^11099520 is an apocalyptic number.

11099520 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 11099520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20049120).

11099520 is an abundant number, since it is smaller than the sum of its proper divisors (28998720).

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

11099520 is a wasteful number, since it uses less digits than its factorization.

11099520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 11099520 is about 3331.5942129857. The cubic root of 11099520 is about 223.0666949791.

The spelling of 11099520 in words is "eleven million, ninety-nine thousand, five hundred twenty".