105550555607 has 16 divisors (see below), whose sum is σ = 121130975232. Its totient is φ = 90095769600.

The previous prime is 105550555577. The next prime is 105550555631. The reversal of 105550555607 is 706555055501.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105550555607 is a prime.

It is a super-2 number, since 2×105550555607² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105550555697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11046482 + ... + 11056032.

It is an arithmetic number, because the mean of its divisors is an integer number (7570685952).

Almost surely, 2^105550555607 is an apocalyptic number.

105550555607 is a deficient number, since it is larger than the sum of its proper divisors (15580419625).

105550555607 is an equidigital number, since it uses as much as digits as its factorization.

105550555607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15958.

The product of its (nonzero) digits is 656250, while the sum is 44.

The spelling of 105550555607 in words is "one hundred five billion, five hundred fifty million, five hundred fifty-five thousand, six hundred seven".