11133378 has 12 divisors (see below), whose sum is σ = 24122358. Its totient is φ = 3711120.

The previous prime is 11133377. The next prime is 11133379. The reversal of 11133378 is 87333111.

It is an interprime number because it is at equal distance from previous prime (11133377) and next prime (11133379).

It can be written as a sum of positive squares in only one way, i.e., 10870209 + 263169 = 3297^2 + 513^2 .

It is a Curzon number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11133377) by changing a digit.

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, 309243 + ... + 309278.

Almost surely, 2^11133378 is an apocalyptic number.

11133378 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

11133378 is an abundant number, since it is smaller than the sum of its proper divisors (12988980).

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

11133378 is a wasteful number, since it uses less digits than its factorization.

11133378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 618529 (or 618526 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 11133378 is about 3336.6716949679. The cubic root of 11133378 is about 223.2932791216.

Adding to 11133378 its reverse (87333111), we get a palindrome (98466489).

It can be divided in two parts, 11133 and 378, that added together give a palindrome (11511).

The spelling of 11133378 in words is "eleven million, one hundred thirty-three thousand, three hundred seventy-eight".