11411280 has 120 divisors (see below), whose sum is σ = 39809952. Its totient is φ = 3037824.

The previous prime is 11411273. The next prime is 11411291. The reversal of 11411280 is 8211411.

11411280 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×11411280² = 260434622476800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19147 + ... + 19733.

Almost surely, 2^11411280 is an apocalyptic number.

11411280 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 11411280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19904976).

11411280 is an abundant number, since it is smaller than the sum of its proper divisors (28398672).

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

11411280 is an equidigital number, since it uses as much as digits as its factorization.

11411280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615 (or 597 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

The square root of 11411280 is about 3378.0586140563. The cubic root of 11411280 is about 225.1359178783.

Adding to 11411280 its reverse (8211411), we get a palindrome (19622691).

The spelling of 11411280 in words is "eleven million, four hundred eleven thousand, two hundred eighty".