11110720 has 28 divisors (see below), whose sum is σ = 26458164. Its totient is φ = 4444160.

The previous prime is 11110717. The next prime is 11110769. The reversal of 11110720 is 2701111.

It can be written as a sum of positive squares in 2 ways, for example, as 5234944 + 5875776 = 2288^2 + 2424^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11110720.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17041 + ... + 17680.

Almost surely, 2^11110720 is an apocalyptic number.

11110720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110720 is an abundant number, since it is smaller than the sum of its proper divisors (15347444).

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

11110720 is an equidigital number, since it uses as much as digits as its factorization.

11110720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34738 (or 34728 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 13.

The square root of 11110720 is about 3333.2746661504. The cubic root of 11110720 is about 223.1416984367.

Adding to 11110720 its reverse (2701111), we get a palindrome (13811831).

The spelling of 11110720 in words is "eleven million, one hundred ten thousand, seven hundred twenty".