105561106010979 has 32 divisors (see below), whose sum is σ = 147428063677440. Its totient is φ = 67114978732800.

The previous prime is 105561106010951. The next prime is 105561106010989. The reversal of 105561106010979 is 979010601165501.

It is not a de Polignac number, because 105561106010979 - 2⁵ = 105561106010947 is a prime.

It is a super-2 number, since 2×105561106010979² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105561106010909) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6374389 + ... + 15866790.

It is an arithmetic number, because the mean of its divisors is an integer number (4607126989920).

Almost surely, 2^{105561106010979} is an apocalyptic number.

105561106010979 is a deficient number, since it is larger than the sum of its proper divisors (41866957666461).

105561106010979 is a wasteful number, since it uses less digits than its factorization.

105561106010979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22242091.

The product of its (nonzero) digits is 510300, while the sum is 51.

The spelling of 105561106010979 in words is "one hundred five trillion, five hundred sixty-one billion, one hundred six million, ten thousand, nine hundred seventy-nine".