11097520 has 120 divisors (see below), whose sum is σ = 31806000. Its totient is φ = 3580416.

The previous prime is 11097497. The next prime is 11097551. The reversal of 11097520 is 2579011.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74406 + ... + 74554.

It is an arithmetic number, because the mean of its divisors is an integer number (265050).

Almost surely, 2^11097520 is an apocalyptic number.

11097520 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 11097520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15903000).

11097520 is an abundant number, since it is smaller than the sum of its proper divisors (20708480).

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

11097520 is a wasteful number, since it uses less digits than its factorization.

11097520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 25.

The square root of 11097520 is about 3331.2940428608. The cubic root of 11097520 is about 223.0532961958.

The spelling of 11097520 in words is "eleven million, ninety-seven thousand, five hundred twenty".