105485553385 has 8 divisors (see below), whose sum is σ = 126599638536. Its totient is φ = 84377126400.

The previous prime is 105485553377. The next prime is 105485553403. The reversal of 105485553385 is 583355584501.

It can be written as a sum of positive squares in 4 ways, for example, as 55463547049 + 50022006336 = 235507^2 + 223656^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105485553385 - 2³ = 105485553377 is a prime.

It is a super-2 number, since 2×105485553385² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1373416 + ... + 1448185.

It is an arithmetic number, because the mean of its divisors is an integer number (15824954817).

Almost surely, 2^105485553385 is an apocalyptic number.

It is an amenable number.

105485553385 is a deficient number, since it is larger than the sum of its proper divisors (21114085151).

105485553385 is an equidigital number, since it uses as much as digits as its factorization.

105485553385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829083.

The product of its (nonzero) digits is 7200000, while the sum is 52.

The spelling of 105485553385 in words is "one hundred five billion, four hundred eighty-five million, five hundred fifty-three thousand, three hundred eighty-five".