11065988 has 24 divisors (see below), whose sum is σ = 19854912. Its totient is φ = 5395104.

The previous prime is 11065987. The next prime is 11065991. The reversal of 11065988 is 88956011.

It is a super-2 number, since 2×11065988² = 244912180832288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11065987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41945 + ... + 42207.

It is an arithmetic number, because the mean of its divisors is an integer number (827288).

Almost surely, 2^11065988 is an apocalyptic number.

It is an amenable number.

11065988 is a deficient number, since it is larger than the sum of its proper divisors (8788924).

11065988 is a wasteful number, since it uses less digits than its factorization.

11065988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 38.

The square root of 11065988 is about 3326.5579808565. The cubic root of 11065988 is about 222.8418378864.

The spelling of 11065988 in words is "eleven million, sixty-five thousand, nine hundred eighty-eight".