16255553226305 has 16 divisors (see below), whose sum is σ = 19609390620624. Its totient is φ = 12935969464320.

The previous prime is 16255553226301. The next prime is 16255553226313. The reversal of 16255553226305 is 50362235555261.

It can be written as a sum of positive squares in 8 ways, for example, as 4462702725121 + 11792850501184 = 2112511^2 + 3434072^2 .

It is not a de Polignac number, because 16255553226305 - 2² = 16255553226301 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (16255553226301) 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, 10817717 + ... + 12228413.

It is an arithmetic number, because the mean of its divisors is an integer number (1225586913789).

Almost surely, 2^{16255553226305} is an apocalyptic number.

It is an amenable number.

16255553226305 is a deficient number, since it is larger than the sum of its proper divisors (3353837394319).

16255553226305 is a wasteful number, since it uses less digits than its factorization.

16255553226305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422836.

The product of its (nonzero) digits is 8100000, while the sum is 50.

The spelling of 16255553226305 in words is "sixteen trillion, two hundred fifty-five billion, five hundred fifty-three million, two hundred twenty-six thousand, three hundred five".