105550610556 has 12 divisors (see below), whose sum is σ = 246284757992. Its totient is φ = 35183536848.

The previous prime is 105550610521. The next prime is 105550610569. The reversal of 105550610556 is 655016055501.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×105550610556² (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 3 ways as a sum of consecutive naturals, for example, 4397942095 + ... + 4397942118.

Almost surely, 2^105550610556 is an apocalyptic number.

It is an amenable number.

105550610556 is an abundant number, since it is smaller than the sum of its proper divisors (140734147436).

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

105550610556 is a wasteful number, since it uses less digits than its factorization.

105550610556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8795884220 (or 8795884218 counting only the distinct ones).

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

The spelling of 105550610556 in words is "one hundred five billion, five hundred fifty million, six hundred ten thousand, five hundred fifty-six".