105655418881 has 4 divisors (see below), whose sum is σ = 105662388292. Its totient is φ = 105648449472.

The previous prime is 105655418851. The next prime is 105655418929. The reversal of 105655418881 is 188814556501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 90120040000 + 15535378881 = 300200^2 + 124641^2 .

It is a cyclic number.

It is not a de Polignac number, because 105655418881 - 2¹⁵ = 105655386113 is a prime.

It is a super-2 number, since 2×105655418881² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105655418801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3461916 + ... + 3492301.

It is an arithmetic number, because the mean of its divisors is an integer number (26415597073).

Almost surely, 2^105655418881 is an apocalyptic number.

It is an amenable number.

105655418881 is a deficient number, since it is larger than the sum of its proper divisors (6969411).

105655418881 is an equidigital number, since it uses as much as digits as its factorization.

105655418881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6969410.

The product of its (nonzero) digits is 1536000, while the sum is 52.

The spelling of 105655418881 in words is "one hundred five billion, six hundred fifty-five million, four hundred eighteen thousand, eight hundred eighty-one".