11135969 has 16 divisors (see below), whose sum is σ = 13018320. Its totient is φ = 9431040.

The previous prime is 11135963. The next prime is 11135981. The reversal of 11135969 is 96953111.

It can be written as a sum of positive squares in 8 ways, for example, as 400 + 11135569 = 20^2 + 3337^2 .

It is a cyclic number.

It is not a de Polignac number, because 11135969 - 2⁴ = 11135953 is a prime.

It is a super-2 number, since 2×11135969² = 248019611137922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11135963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8447 + ... + 9675.

It is an arithmetic number, because the mean of its divisors is an integer number (813645).

Almost surely, 2^11135969 is an apocalyptic number.

It is an amenable number.

11135969 is a deficient number, since it is larger than the sum of its proper divisors (1882351).

11135969 is a wasteful number, since it uses less digits than its factorization.

11135969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1300.

The product of its digits is 7290, while the sum is 35.

The square root of 11135969 is about 3337.0599335343. The cubic root of 11135969 is about 223.3105996513.

The spelling of 11135969 in words is "eleven million, one hundred thirty-five thousand, nine hundred sixty-nine".