11055689 has 2 divisors, whose sum is σ = 11055690. Its totient is φ = 11055688.

The previous prime is 11055677. The next prime is 11055713. The reversal of 11055689 is 98655011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11055625 + 64 = 3325^2 + 8^2 .

It is a cyclic number.

It is not a de Polignac number, because 11055689 - 2⁴ = 11055673 is a prime.

It is a Chen prime.

It is equal to p₇₂₉₉₄₄ and since 11055689 and 729944 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (11055659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5527844 + 5527845.

It is an arithmetic number, because the mean of its divisors is an integer number (5527845).

Almost surely, 2^11055689 is an apocalyptic number.

It is an amenable number.

11055689 is a deficient number, since it is larger than the sum of its proper divisors (1).

11055689 is an equidigital number, since it uses as much as digits as its factorization.

11055689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 35.

The square root of 11055689 is about 3325.0096240462. The cubic root of 11055689 is about 222.7726842344.

The spelling of 11055689 in words is "eleven million, fifty-five thousand, six hundred eighty-nine".