105555450064 has 20 divisors (see below), whose sum is σ = 204520749120. Its totient is φ = 52775901920.

The previous prime is 105555450059. The next prime is 105555450071. The reversal of 105555450064 is 460054555501.

It is a super-2 number, since 2×105555450064² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105555449999 and 105555450026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447567 + ... + 641425.

It is an arithmetic number, because the mean of its divisors is an integer number (10226037456).

Almost surely, 2^105555450064 is an apocalyptic number.

It is an amenable number.

105555450064 is a deficient number, since it is larger than the sum of its proper divisors (98965299056).

105555450064 is a wasteful number, since it uses less digits than its factorization.

105555450064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227898 (or 227892 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 40.

The spelling of 105555450064 in words is "one hundred five billion, five hundred fifty-five million, four hundred fifty thousand, sixty-four".