11271080 has 16 divisors (see below), whose sum is σ = 25360020. Its totient is φ = 4508416.

The previous prime is 11271077. The next prime is 11271083. The reversal of 11271080 is 8017211.

It is an interprime number because it is at equal distance from previous prime (11271077) and next prime (11271083).

It can be written as a sum of positive squares in 2 ways, for example, as 10640644 + 630436 = 3262^2 + 794^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (11271083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140849 + ... + 140928.

Almost surely, 2^11271080 is an apocalyptic number.

11271080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11271080 is an abundant number, since it is smaller than the sum of its proper divisors (14088940).

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

11271080 is a wasteful number, since it uses less digits than its factorization.

11271080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281788 (or 281784 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 11271080 is about 3357.2429164420. The cubic root of 11271080 is about 224.2101026158.

Adding to 11271080 its reverse (8017211), we get a palindrome (19288291).

The spelling of 11271080 in words is "eleven million, two hundred seventy-one thousand, eighty".