100560510561 has 8 divisors (see below), whose sum is σ = 153235063744. Its totient is φ = 57463148880.

The previous prime is 100560510497. The next prime is 100560510563. The reversal of 100560510561 is 165015065001.

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

It is not a de Polignac number, because 100560510561 - 2⁶ = 100560510497 is a prime.

It is a super-2 number, since 2×100560510561² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100560510563) 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 7 ways as a sum of consecutive naturals, for example, 2394297850 + ... + 2394297891.

It is an arithmetic number, because the mean of its divisors is an integer number (19154382968).

Almost surely, 2^100560510561 is an apocalyptic number.

It is an amenable number.

100560510561 is a deficient number, since it is larger than the sum of its proper divisors (52674553183).

100560510561 is an equidigital number, since it uses as much as digits as its factorization.

100560510561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4788595751.

The product of its (nonzero) digits is 4500, while the sum is 30.

Adding to 100560510561 its reverse (165015065001), we get a palindrome (265575575562).

The spelling of 100560510561 in words is "one hundred billion, five hundred sixty million, five hundred ten thousand, five hundred sixty-one".