105056215570 has 8 divisors (see below), whose sum is σ = 189101188044. Its totient is φ = 42022486224.

The previous prime is 105056215559. The next prime is 105056215573. The reversal of 105056215570 is 75512650501.

It can be written as a sum of positive squares in 2 ways, for example, as 89157779649 + 15898435921 = 298593^2 + 126089^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×105056215570² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105056215573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5252810769 + ... + 5252810788.

Almost surely, 2^105056215570 is an apocalyptic number.

105056215570 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

105056215570 is a deficient number, since it is larger than the sum of its proper divisors (84044972474).

105056215570 is a wasteful number, since it uses less digits than its factorization.

105056215570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10505621564.

The product of its (nonzero) digits is 52500, while the sum is 37.

The spelling of 105056215570 in words is "one hundred five billion, fifty-six million, two hundred fifteen thousand, five hundred seventy".