100561110063 has 4 divisors (see below), whose sum is σ = 134081480088. Its totient is φ = 67040740040.

The previous prime is 100561110061. The next prime is 100561110103. The reversal of 100561110063 is 360011165001.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 100561110063 - 2¹ = 100561110061 is a prime.

It is a super-2 number, since 2×100561110063² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100561110061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16760185008 + ... + 16760185013.

It is an arithmetic number, because the mean of its divisors is an integer number (33520370022).

Almost surely, 2^100561110063 is an apocalyptic number.

100561110063 is a deficient number, since it is larger than the sum of its proper divisors (33520370025).

100561110063 is an equidigital number, since it uses as much as digits as its factorization.

100561110063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33520370024.

The product of its (nonzero) digits is 540, while the sum is 24.

Adding to 100561110063 its reverse (360011165001), we get a palindrome (460572275064).

The spelling of 100561110063 in words is "one hundred billion, five hundred sixty-one million, one hundred ten thousand, sixty-three".