11301280 has 96 divisors (see below), whose sum is σ = 28957824. Its totient is φ = 4156416.

The previous prime is 11301247. The next prime is 11301307. The reversal of 11301280 is 8210311.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136119 + ... + 136201.

It is an arithmetic number, because the mean of its divisors is an integer number (301644).

Almost surely, 2^11301280 is an apocalyptic number.

11301280 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 11301280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14478912).

11301280 is an abundant number, since it is smaller than the sum of its proper divisors (17656544).

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

11301280 is a wasteful number, since it uses less digits than its factorization.

11301280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

The square root of 11301280 is about 3361.7376459206. The cubic root of 11301280 is about 224.4101753239.

Adding to 11301280 its reverse (8210311), we get a palindrome (19511591).

The spelling of 11301280 in words is "eleven million, three hundred one thousand, two hundred eighty".