105545974965878 has 16 divisors (see below), whose sum is σ = 162112755298560. Its totient is φ = 51510086177256.

The previous prime is 105545974965787. The next prime is 105545974965941. The reversal of 105545974965878 is 878569479545501.

It is a super-2 number, since 2×105545974965878² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105545974965796 and 105545974965805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 423952538 + ... + 424201421.

It is an arithmetic number, because the mean of its divisors is an integer number (10132047206160).

Almost surely, 2^{105545974965878} is an apocalyptic number.

105545974965878 is a deficient number, since it is larger than the sum of its proper divisors (56566780332682).

105545974965878 is a wasteful number, since it uses less digits than its factorization.

105545974965878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848155451.

The product of its (nonzero) digits is 15240960000, while the sum is 83.

The spelling of 105545974965878 in words is "one hundred five trillion, five hundred forty-five billion, nine hundred seventy-four million, nine hundred sixty-five thousand, eight hundred seventy-eight".