11109272 has 8 divisors (see below), whose sum is σ = 20829900. Its totient is φ = 5554632.

The previous prime is 11109227. The next prime is 11109289. The reversal of 11109272 is 27290111.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 694322 + ... + 694337.

Almost surely, 2^11109272 is an apocalyptic number.

It is an amenable number.

11109272 is a deficient number, since it is larger than the sum of its proper divisors (9720628).

11109272 is a wasteful number, since it uses less digits than its factorization.

11109272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1388665 (or 1388661 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 23.

The square root of 11109272 is about 3333.0574552504. The cubic root of 11109272 is about 223.1320043990.

Adding to 11109272 its reverse (27290111), we get a palindrome (38399383).

The spelling of 11109272 in words is "eleven million, one hundred nine thousand, two hundred seventy-two".