11261278 has 24 divisors (see below), whose sum is σ = 19805904. Its totient is φ = 4788000.

The previous prime is 11261273. The next prime is 11261279. The reversal of 11261278 is 87216211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11261273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14418 + ... + 15178.

It is an arithmetic number, because the mean of its divisors is an integer number (825246).

Almost surely, 2^11261278 is an apocalyptic number.

11261278 is a deficient number, since it is larger than the sum of its proper divisors (8544626).

11261278 is a wasteful number, since it uses less digits than its factorization.

11261278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928 (or 921 counting only the distinct ones).

The product of its digits is 1344, while the sum is 28.

The square root of 11261278 is about 3355.7827700851. The cubic root of 11261278 is about 224.1450882954.

Adding to 11261278 its reverse (87216211), we get a palindrome (98477489).

The spelling of 11261278 in words is "eleven million, two hundred sixty-one thousand, two hundred seventy-eight".