105551322125 has 8 divisors (see below), whose sum is σ = 131728050168. Its totient is φ = 84441057600.

The previous prime is 105551322119. The next prime is 105551322143. The reversal of 105551322125 is 521223155501.

It can be written as a sum of positive squares in 4 ways, for example, as 30464909764 + 75086412361 = 174542^2 + 274019^2 .

It is not a de Polignac number, because 105551322125 - 2¹⁶ = 105551256589 is a prime.

It is a super-2 number, since 2×105551322125² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105551322091 and 105551322100.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 422205164 + ... + 422205413.

It is an arithmetic number, because the mean of its divisors is an integer number (16466006271).

Almost surely, 2^105551322125 is an apocalyptic number.

It is an amenable number.

105551322125 is a deficient number, since it is larger than the sum of its proper divisors (26176728043).

105551322125 is an frugal number, since it uses more digits than its factorization.

105551322125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844410592 (or 844410582 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

Adding to 105551322125 its reverse (521223155501), we get a palindrome (626774477626).

The spelling of 105551322125 in words is "one hundred five billion, five hundred fifty-one million, three hundred twenty-two thousand, one hundred twenty-five".