11061520 has 60 divisors (see below), whose sum is σ = 26693604. Its totient is φ = 4262400.

The previous prime is 11061511. The next prime is 11061521. The reversal of 11061520 is 2516011.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4343056 + 6718464 = 2084^2 + 2592^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 11061494 and 11061503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11061521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 109470 + ... + 109570.

Almost surely, 2^11061520 is an apocalyptic number.

11061520 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 11061520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13346802).

11061520 is an abundant number, since it is smaller than the sum of its proper divisors (15632084).

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

11061520 is a wasteful number, since it uses less digits than its factorization.

11061520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 16.

The square root of 11061520 is about 3325.8863480281. The cubic root of 11061520 is about 222.8118423311.

Adding to 11061520 its reverse (2516011), we get a palindrome (13577531).

The spelling of 11061520 in words is "eleven million, sixty-one thousand, five hundred twenty".