100601056105105 has 4 divisors (see below), whose sum is σ = 120721267326132. Its totient is φ = 80480844884080.

The previous prime is 100601056105097. The next prime is 100601056105117. The reversal of 100601056105105 is 501501650106001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46075695016464 + 54525361088641 = 6787908^2 + 7384129^2 .

It is not a de Polignac number, because 100601056105105 - 2³ = 100601056105097 is a prime.

It is a super-2 number, since 2×100601056105105² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 10060105610506 + ... + 10060105610515.

It is an arithmetic number, because the mean of its divisors is an integer number (30180316831533).

Almost surely, 2^{100601056105105} is an apocalyptic number.

It is an amenable number.

100601056105105 is a deficient number, since it is larger than the sum of its proper divisors (20120211221027).

100601056105105 is an equidigital number, since it uses as much as digits as its factorization.

100601056105105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20120211221026.

The product of its (nonzero) digits is 4500, while the sum is 31.

The spelling of 100601056105105 in words is "one hundred trillion, six hundred one billion, fifty-six million, one hundred five thousand, one hundred five".