11241778 has 12 divisors (see below), whose sum is σ = 17427150. Its totient is φ = 5438640.

The previous prime is 11241757. The next prime is 11241793. The reversal of 11241778 is 87714211.

It can be written as a sum of positive squares in only one way, i.e., 10195249 + 1046529 = 3193^2 + 1023^2 .

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1003 + ... + 4846.

Almost surely, 2^11241778 is an apocalyptic number.

11241778 is a deficient number, since it is larger than the sum of its proper divisors (6185372).

11241778 is an equidigital number, since it uses as much as digits as its factorization.

11241778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5913 (or 5882 counting only the distinct ones).

The product of its digits is 3136, while the sum is 31.

The square root of 11241778 is about 3352.8760788314. The cubic root of 11241778 is about 224.0156371949.

Adding to 11241778 its reverse (87714211), we get a palindrome (98955989).

The spelling of 11241778 in words is "eleven million, two hundred forty-one thousand, seven hundred seventy-eight".