105550515066 has 8 divisors (see below), whose sum is σ = 211101030144. Its totient is φ = 35183505020.

The previous prime is 105550515061. The next prime is 105550515089. The reversal of 105550515066 is 660515055501.

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

105550515066 is an admirable number.

It is a super-2 number, since 2×105550515066² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105550515061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8795876250 + ... + 8795876261.

It is an arithmetic number, because the mean of its divisors is an integer number (26387628768).

Almost surely, 2^105550515066 is an apocalyptic number.

105550515066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

105550515066 is a wasteful number, since it uses less digits than its factorization.

105550515066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17591752516.

The product of its (nonzero) digits is 112500, while the sum is 39.

The spelling of 105550515066 in words is "one hundred five billion, five hundred fifty million, five hundred fifteen thousand, sixty-six".