105440220481 has 2 divisors, whose sum is σ = 105440220482. Its totient is φ = 105440220480.

The previous prime is 105440220467. The next prime is 105440220503. The reversal of 105440220481 is 184022044501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 105391778881 + 48441600 = 324641^2 + 6960^2 .

It is a cyclic number.

It is not a de Polignac number, because 105440220481 - 2¹³ = 105440212289 is a prime.

It is a super-2 number, since 2×105440220481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105440220581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52720110240 + 52720110241.

It is an arithmetic number, because the mean of its divisors is an integer number (52720110241).

Almost surely, 2^105440220481 is an apocalyptic number.

It is an amenable number.

105440220481 is a deficient number, since it is larger than the sum of its proper divisors (1).

105440220481 is an equidigital number, since it uses as much as digits as its factorization.

105440220481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10240, while the sum is 31.

Adding to 105440220481 its reverse (184022044501), we get a palindrome (289462264982).

The spelling of 105440220481 in words is "one hundred five billion, four hundred forty million, two hundred twenty thousand, four hundred eighty-one".