11155712 has 18 divisors (see below), whose sum is σ = 22268358. Its totient is φ = 5577728.

The previous prime is 11155673. The next prime is 11155721. The reversal of 11155712 is 21755111.

It can be written as a sum of positive squares in only one way, i.e., 8386816 + 2768896 = 2896^2 + 1664^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21533 + ... + 22044.

It is an arithmetic number, because the mean of its divisors is an integer number (1237131).

Almost surely, 2^11155712 is an apocalyptic number.

It is an amenable number.

11155712 is a deficient number, since it is larger than the sum of its proper divisors (11112646).

11155712 is an frugal number, since it uses more digits than its factorization.

11155712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43593 (or 43579 counting only the distinct ones).

The product of its digits is 350, while the sum is 23.

The square root of 11155712 is about 3340.0167664250. The cubic root of 11155712 is about 223.4424911301.

The spelling of 11155712 in words is "eleven million, one hundred fifty-five thousand, seven hundred twelve".