11081872 has 20 divisors (see below), whose sum is σ = 21534336. Its totient is φ = 5524640.

The previous prime is 11081843. The next prime is 11081879. The reversal of 11081872 is 27818011.

It is a self number, because there is not a number n which added to its sum of digits gives 11081872.

It is not an unprimeable number, because it can be changed into a prime (11081879) 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, 6093 + ... + 7699.

Almost surely, 2^11081872 is an apocalyptic number.

It is an amenable number.

11081872 is a deficient number, since it is larger than the sum of its proper divisors (10452464).

11081872 is a wasteful number, since it uses less digits than its factorization.

11081872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046 (or 2040 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 28.

The square root of 11081872 is about 3328.9445774900. The cubic root of 11081872 is about 222.9484085039.

Adding to 11081872 its reverse (27818011), we get a palindrome (38899883).

The spelling of 11081872 in words is "eleven million, eighty-one thousand, eight hundred seventy-two".