11085988 has 6 divisors (see below), whose sum is σ = 19400486. Its totient is φ = 5542992.

The previous prime is 11085983. The next prime is 11086037. The reversal of 11085988 is 88958011.

It can be written as a sum of positive squares in only one way, i.e., 11075584 + 10404 = 3328^2 + 102^2 .

It is a super-2 number, since 2×11085988² = 245798259872288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11085988.

It is not an unprimeable number, because it can be changed into a prime (11085983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385745 + ... + 1385752.

Almost surely, 2^11085988 is an apocalyptic number.

It is an amenable number.

11085988 is a deficient number, since it is larger than the sum of its proper divisors (8314498).

11085988 is a wasteful number, since it uses less digits than its factorization.

11085988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771501 (or 2771499 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 40.

The square root of 11085988 is about 3329.5627340538. The cubic root of 11085988 is about 222.9760073928.

The spelling of 11085988 in words is "eleven million, eighty-five thousand, nine hundred eighty-eight".