105355621206 has 48 divisors (see below), whose sum is σ = 257055372288. Its totient is φ = 30896074800.

The previous prime is 105355621193. The next prime is 105355621247. The reversal of 105355621206 is 602126553501.

105355621206 is a `hidden beast` number, since 1 + 0 + 5 + 3 + 5 + 5 + 621 + 20 + 6 = 666.

It is a super-2 number, since 2×105355621206² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8576106 + ... + 8588381.

It is an arithmetic number, because the mean of its divisors is an integer number (5355320256).

Almost surely, 2^105355621206 is an apocalyptic number.

105355621206 is an abundant number, since it is smaller than the sum of its proper divisors (151699751082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105355621206 is a wasteful number, since it uses less digits than its factorization.

105355621206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17164537 (or 17164534 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The spelling of 105355621206 in words is "one hundred five billion, three hundred fifty-five million, six hundred twenty-one thousand, two hundred six".