10559999 has 4 divisors (see below), whose sum is σ = 10569120. Its totient is φ = 10550880.

The previous prime is 10559993. The next prime is 10560019. The reversal of 10559999 is 99995501.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 10559999 - 2²⁰ = 9511423 is a prime.

It is a super-2 number, since 2×10559999² = 223027157760002, which contains 22 as substring.

It is a Duffinian number.

10559999 is a modest number, since divided by 9999 gives 1055 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10559993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2519 + ... + 5240.

It is an arithmetic number, because the mean of its divisors is an integer number (2642280).

Almost surely, 2^10559999 is an apocalyptic number.

10559999 is a deficient number, since it is larger than the sum of its proper divisors (9121).

10559999 is an equidigital number, since it uses as much as digits as its factorization.

10559999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9120.

The product of its (nonzero) digits is 164025, while the sum is 47.

The square root of 10559999 is about 3249.6152079900. The cubic root of 10559999 is about 219.3922551720.

The spelling of 10559999 in words is "ten million, five hundred fifty-nine thousand, nine hundred ninety-nine".