11109412 has 6 divisors (see below), whose sum is σ = 19441478. Its totient is φ = 5554704.

The previous prime is 11109403. The next prime is 11109419. The reversal of 11109412 is 21490111.

It can be written as a sum of positive squares in only one way, i.e., 10929636 + 179776 = 3306^2 + 424^2 .

It is a super-3 number, since 3×11109412³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11109412.

It is not an unprimeable number, because it can be changed into a prime (11109419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1388673 + ... + 1388680.

Almost surely, 2^11109412 is an apocalyptic number.

It is an amenable number.

11109412 is a deficient number, since it is larger than the sum of its proper divisors (8332066).

11109412 is a wasteful number, since it uses less digits than its factorization.

11109412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2777357 (or 2777355 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 11109412 is about 3333.0784569224. The cubic root of 11109412 is about 223.1329417046.

Adding to 11109412 its reverse (21490111), we get a palindrome (32599523).

The spelling of 11109412 in words is "eleven million, one hundred nine thousand, four hundred twelve".