105485053109 has 2 divisors, whose sum is σ = 105485053110. Its totient is φ = 105485053108.

The previous prime is 105485053073. The next prime is 105485053207. The reversal of 105485053109 is 901350584501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95589180625 + 9895872484 = 309175^2 + 99478^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-105485053109 is a prime.

It is a super-2 number, since 2×105485053109² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105485053909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52742526554 + 52742526555.

It is an arithmetic number, because the mean of its divisors is an integer number (52742526555).

Almost surely, 2^105485053109 is an apocalyptic number.

It is an amenable number.

105485053109 is a deficient number, since it is larger than the sum of its proper divisors (1).

105485053109 is an equidigital number, since it uses as much as digits as its factorization.

105485053109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 41.

The spelling of 105485053109 in words is "one hundred five billion, four hundred eighty-five million, fifty-three thousand, one hundred nine".