10561105050018 has 8 divisors (see below), whose sum is σ = 21122210100048. Its totient is φ = 3520368350004.

The previous prime is 10561105050011. The next prime is 10561105050043. The reversal of 10561105050018 is 81005050116501.

It is a sphenic number, since it is the product of 3 distinct primes.

10561105050018 is an admirable number.

It is a super-2 number, since 2×10561105050018² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10561105050011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 880092087496 + ... + 880092087507.

It is an arithmetic number, because the mean of its divisors is an integer number (2640276262506).

Almost surely, 2^{10561105050018} is an apocalyptic number.

10561105050018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10561105050018 is a wasteful number, since it uses less digits than its factorization.

10561105050018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1760184175008.

The product of its (nonzero) digits is 6000, while the sum is 33.

Adding to 10561105050018 its reverse (81005050116501), we get a palindrome (91566155166519).

The spelling of 10561105050018 in words is "ten trillion, five hundred sixty-one billion, one hundred five million, fifty thousand, eighteen".