11080278 has 48 divisors (see below), whose sum is σ = 26485056. Its totient is φ = 3319920.

The previous prime is 11080261. The next prime is 11080301. The reversal of 11080278 is 87208011.

11080278 is a nontrivial binomial coefficient, being equal to C(4708, 2).

It is a Curzon number.

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, 20925 + ... + 21447.

It is an arithmetic number, because the mean of its divisors is an integer number (551772).

Almost surely, 2^11080278 is an apocalyptic number.

11080278 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11080278 is the 4707-th triangular number and also the 2354-th hexagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11080278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13242528).

11080278 is an abundant number, since it is smaller than the sum of its proper divisors (15404778).

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

11080278 is a wasteful number, since it uses less digits than its factorization.

11080278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649 (or 646 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 27.

The square root of 11080278 is about 3328.7051536596. The cubic root of 11080278 is about 222.9377184688.

Adding to 11080278 its reverse (87208011), we get a palindrome (98288289).

The spelling of 11080278 in words is "eleven million, eighty thousand, two hundred seventy-eight".