105104555489 has 2 divisors, whose sum is σ = 105104555490. Its totient is φ = 105104555488.

The previous prime is 105104555483. The next prime is 105104555539. The reversal of 105104555489 is 984555401501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104009475025 + 1095080464 = 322505^2 + 33092^2 .

It is a cyclic number.

It is not a de Polignac number, because 105104555489 - 2²⁴ = 105087778273 is a prime.

It is a super-2 number, since 2×105104555489² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105104555483) 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, 52552277744 + 52552277745.

It is an arithmetic number, because the mean of its divisors is an integer number (52552277745).

Almost surely, 2^105104555489 is an apocalyptic number.

It is an amenable number.

105104555489 is a deficient number, since it is larger than the sum of its proper divisors (1).

105104555489 is an equidigital number, since it uses as much as digits as its factorization.

105104555489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720000, while the sum is 47.

The spelling of 105104555489 in words is "one hundred five billion, one hundred four million, five hundred fifty-five thousand, four hundred eighty-nine".