105586653481 has 3 divisors (see below), whose sum is σ = 105586978423. Its totient is φ = 105586328540.

The previous prime is 105586653437. The next prime is 105586653503. The reversal of 105586653481 is 184356685501.

It is a happy number.

The square root of 105586653481 is 324941.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 5313097881 + 100273555600 = 72891^2 + 316660^2 .

It is not a de Polignac number, because 105586653481 - 2¹⁷ = 105586522409 is a prime.

It is a super-2 number, since 2×105586653481² (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 (105586653401) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 162471 + ... + 487411.

Almost surely, 2^105586653481 is an apocalyptic number.

105586653481 is the 324941-st square number.

105586653481 is the 162471-st centered octagonal number.

It is an amenable number.

105586653481 is a deficient number, since it is larger than the sum of its proper divisors (324942).

105586653481 is an frugal number, since it uses more digits than its factorization.

105586653481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649882 (or 324941 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 52.

The spelling of 105586653481 in words is "one hundred five billion, five hundred eighty-six million, six hundred fifty-three thousand, four hundred eighty-one".