105809879813546 has 16 divisors (see below), whose sum is σ = 158992929216000. Its totient is φ = 52812240249600.

The previous prime is 105809879813527. The next prime is 105809879813567. The reversal of 105809879813546 is 645318978908501.

It is a super-2 number, since 2×105809879813546² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61409705 + ... + 63109203.

It is an arithmetic number, because the mean of its divisors is an integer number (9937058076000).

Almost surely, 2^{105809879813546} is an apocalyptic number.

105809879813546 is a deficient number, since it is larger than the sum of its proper divisors (53183049402454).

105809879813546 is a wasteful number, since it uses less digits than its factorization.

105809879813546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754029.

The product of its (nonzero) digits is 522547200, while the sum is 74.

The spelling of 105809879813546 in words is "one hundred five trillion, eight hundred nine billion, eight hundred seventy-nine million, eight hundred thirteen thousand, five hundred forty-six".