11481028 has 12 divisors (see below), whose sum is σ = 21637420. Its totient is φ = 5298912.

The previous prime is 11481023. The next prime is 11481037. The reversal of 11481028 is 82018411.

It can be written as a sum of positive squares in 2 ways, for example, as 5419584 + 6061444 = 2328^2 + 2462^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11480993 and 11481011.

It is not an unprimeable number, because it can be changed into a prime (11481023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110343 + ... + 110446.

Almost surely, 2^11481028 is an apocalyptic number.

It is an amenable number.

11481028 is a deficient number, since it is larger than the sum of its proper divisors (10156392).

11481028 is a wasteful number, since it uses less digits than its factorization.

11481028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220806 (or 220804 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 11481028 is about 3388.3665681269. The cubic root of 11481028 is about 225.5936782512.

Adding to 11481028 its reverse (82018411), we get a palindrome (93499439).

The spelling of 11481028 in words is "eleven million, four hundred eighty-one thousand, twenty-eight".