11117272 has 16 divisors (see below), whose sum is σ = 21052800. Its totient is φ = 5503200.

The previous prime is 11117213. The next prime is 11117321. The reversal of 11117272 is 27271111.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6072 + ... + 7687.

It is an arithmetic number, because the mean of its divisors is an integer number (1315800).

Almost surely, 2^11117272 is an apocalyptic number.

It is an amenable number.

11117272 is a deficient number, since it is larger than the sum of its proper divisors (9935528).

11117272 is a wasteful number, since it uses less digits than its factorization.

11117272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13866 (or 13862 counting only the distinct ones).

The product of its digits is 196, while the sum is 22.

The square root of 11117272 is about 3334.2573385988. The cubic root of 11117272 is about 223.1855520938.

Adding to 11117272 its reverse (27271111), we get a palindrome (38388383).

The spelling of 11117272 in words is "eleven million, one hundred seventeen thousand, two hundred seventy-two".