11278854 has 96 divisors (see below), whose sum is σ = 28304640. Its totient is φ = 3225600.

The previous prime is 11278849. The next prime is 11278859. The reversal of 11278854 is 45887211.

It is an interprime number because it is at equal distance from previous prime (11278849) and next prime (11278859).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11278859) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 275074 + ... + 275114.

It is an arithmetic number, because the mean of its divisors is an integer number (294840).

Almost surely, 2^11278854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11278854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14152320).

11278854 is an abundant number, since it is smaller than the sum of its proper divisors (17025786).

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

11278854 is a wasteful number, since it uses less digits than its factorization.

11278854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 123 counting only the distinct ones).

The product of its digits is 17920, while the sum is 36.

The square root of 11278854 is about 3358.4005121486. The cubic root of 11278854 is about 224.2616389003.

The spelling of 11278854 in words is "eleven million, two hundred seventy-eight thousand, eight hundred fifty-four".