100561051005105 has 32 divisors (see below), whose sum is σ = 161295418522368. Its totient is φ = 53500104979200.

The previous prime is 100561051005089. The next prime is 100561051005127. The reversal of 100561051005105 is 501500150165001.

It is not a de Polignac number, because 100561051005105 - 2⁴ = 100561051005089 is a prime.

It is a super-4 number, since 4×100561051005105⁴ (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9185175 + ... + 16896435.

It is an arithmetic number, because the mean of its divisors is an integer number (5040481828824).

Almost surely, 2^{100561051005105} is an apocalyptic number.

100561051005105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100561051005105 is a deficient number, since it is larger than the sum of its proper divisors (60734367517263).

100561051005105 is a wasteful number, since it uses less digits than its factorization.

100561051005105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7713417.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 100561051005105 in words is "one hundred trillion, five hundred sixty-one billion, fifty-one million, five thousand, one hundred five".