10561018 has 16 divisors (see below), whose sum is σ = 17611776. Its totient is φ = 4716720.

The previous prime is 10561013. The next prime is 10561027. The reversal of 10561018 is 81016501.

10561018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10561018² = 223070202392648, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 10561018.

It is not an unprimeable number, because it can be changed into a prime (10561013) 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, 5746 + ... + 7357.

It is an arithmetic number, because the mean of its divisors is an integer number (1100736).

Almost surely, 2^10561018 is an apocalyptic number.

10561018 is a deficient number, since it is larger than the sum of its proper divisors (7050758).

10561018 is a wasteful number, since it uses less digits than its factorization.

10561018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13149.

The product of its (nonzero) digits is 240, while the sum is 22.

The square root of 10561018 is about 3249.7719920019. The cubic root of 10561018 is about 219.3993117863.

Adding to 10561018 its reverse (81016501), we get a palindrome (91577519).

The spelling of 10561018 in words is "ten million, five hundred sixty-one thousand, eighteen".